mixer.c revision 7d2b451e65d255427c108e990507964ac39c13ee
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (Tentative) USB Audio Driver for ALSA 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Mixer control part 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 2002 by Takashi Iwai <tiwai@suse.de> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Many codes borrowed from audio.c by 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Alan Cox (alan@lxorguk.ukuu.org.uk) 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Thomas Sailer (sailer@ife.ee.ethz.ch) 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * it under the terms of the GNU General Public License as published by 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (at your option) any later version. 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is distributed in the hope that it will be useful, 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * GNU General Public License for more details. 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * You should have received a copy of the GNU General Public License 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * along with this program; if not, write to the Free Software 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/bitops.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/list.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/usb.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <sound/core.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <sound/control.h> 37b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch#include <sound/hwdep.h> 38aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch#include <sound/info.h> 397bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai#include <sound/tlv.h> 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "usbaudio.h" 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ignore error from controls - for debugging */ 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* #define IGNORE_CTL_ERROR */ 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 494d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans/* 504d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans * Sound Blaster remote control configuration 514d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans * 524d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans * format of remote control data: 534d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans * Extigy: xx 00 544d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans * Audigy 2 NX: 06 80 xx 00 00 00 554d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans * Live! 24-bit: 06 80 xx yy 22 83 564d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans */ 574d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicansstatic const struct rc_config { 584d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans u32 usb_id; 594d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans u8 offset; 604d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans u8 length; 614d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans u8 packet_length; 62b9c196e1452e1d4cbf0a1499f1e9c1b3edf59320Phillip Michael Jordan u8 min_packet_length; /* minimum accepted length of the URB result */ 634d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans u8 mute_mixer_id; 644d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans u32 mute_code; 654d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans} rc_configs[] = { 66b9c196e1452e1d4cbf0a1499f1e9c1b3edf59320Phillip Michael Jordan { USB_ID(0x041e, 0x3000), 0, 1, 2, 1, 18, 0x0013 }, /* Extigy */ 67b9c196e1452e1d4cbf0a1499f1e9c1b3edf59320Phillip Michael Jordan { USB_ID(0x041e, 0x3020), 2, 1, 6, 6, 18, 0x0013 }, /* Audigy 2 NX */ 68b9c196e1452e1d4cbf0a1499f1e9c1b3edf59320Phillip Michael Jordan { USB_ID(0x041e, 0x3040), 2, 2, 6, 6, 2, 0x6e91 }, /* Live! 24-bit */ 693195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia { USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */ 704d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans}; 714d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans 7284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladischstruct usb_mixer_interface { 7386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_usb_audio *chip; 7484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch unsigned int ctrlif; 7584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch struct list_head list; 7684957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch unsigned int ignore_ctl_error; 776639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch struct urb *urb; 7886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info **id_elems; /* array[256], indexed by unit id */ 79b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 80b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch /* Sound Blaster remote control stuff */ 814d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans const struct rc_config *rc_cfg; 82b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch u32 rc_code; 83b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch wait_queue_head_t rc_waitq; 84b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch struct urb *rc_urb; 85b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch struct usb_ctrlrequest *rc_setup_packet; 86b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch u8 rc_buffer[6]; 8793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 8893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch u8 audigy2nx_leds[3]; 89468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch u8 xonar_u1_status; 9084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch}; 9184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 9284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct usb_audio_term { 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int id; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int type; 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int channels; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int chconfig; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int name; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct usbmix_name_map; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistruct mixer_build { 10486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_usb_audio *chip; 10584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch struct usb_mixer_interface *mixer; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *buffer; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int buflen; 108707e60732fc25fe3760f916d083b262a86a666c0Clemens Ladisch DECLARE_BITMAP(unitbitmap, 256); 10986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_audio_term oterm; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct usbmix_name_map *map; 1118e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch const struct usbmix_selector_map *selector_map; 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 114641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai#define MAX_CHANNELS 10 /* max logical channels */ 115641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct usb_mixer_elem_info { 11784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch struct usb_mixer_interface *mixer; 11886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *next_id_elem; /* list of controls with same id */ 11986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_ctl_elem_id *elem_id; 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int id; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int control; /* CS or ICN (high byte) */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int cmask; /* channel mask bitmap: 0 = master */ 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int channels; 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val_type; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int min, max, res; 126641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int cached; 127641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int cache_val[MAX_CHANNELS]; 1286639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch u8 initialized; 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum { 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_NONE = 0, 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_MUTE = 1, 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_VOLUME, 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_BASS, 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_MID, 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_TREBLE, 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_GEQ, 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_AGC, 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_DELAY, 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_BASSBOOST, 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_FEATURE_LOUDNESS 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum { 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_MIXER_BOOLEAN, 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_MIXER_INV_BOOLEAN, 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_MIXER_S8, 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_MIXER_U8, 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_MIXER_S16, 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_MIXER_U16, 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsenum { 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_UPDOWN = 1, 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_UPDOWN_SWITCH = 1, 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_UPDOWN_MODE_SEL = 2, 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_PROLOGIC = 2, 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_PROLOGIC_SWITCH = 1, 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_PROLOGIC_MODE_SEL = 2, 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_3DENH = 3, 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_3DENH_SWITCH = 1, 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_3DENH_SPACE = 2, 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_REVERB = 4, 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_REVERB_SWITCH = 1, 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_REVERB_LEVEL = 2, 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_REVERB_TIME = 3, 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_REVERB_DELAY = 4, 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_CHORUS = 5, 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_CHORUS_SWITCH = 1, 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_CHORUS_LEVEL = 2, 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_CHORUS_RATE = 3, 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_CHORUS_DEPTH = 4, 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR = 6, 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR_SWITCH = 1, 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR_RATIO = 2, 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR_MAX_AMP = 3, 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR_THRESHOLD = 4, 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR_ATTACK = 5, 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_PROC_DCR_RELEASE = 6, 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1897d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk/*E-mu 0202(0404) eXtension Unit(XU) control*/ 1907d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukenum { 1917d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_CLOCK_RATE = 0xe301, 1927d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_CLOCK_SOURCE = 0xe302, 1937d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_DIGITAL_IO_STATUS = 0xe303, 1947d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_DEVICE_OPTIONS = 0xe304, 1957d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_DIRECT_MONITORING = 0xe305, 1967d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_METERING = 0xe306 1977d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 1987d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukenum { 1997d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_CLOCK_SOURCE_SELECTOR = 0x02, /* clock source*/ 2007d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_CLOCK_RATE_SELECTOR = 0x03, /* clock rate */ 2017d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_DIGITAL_FORMAT_SELECTOR = 0x01, /* the spdif format */ 2027d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk USB_XU_SOFT_LIMIT_SELECTOR = 0x03 /* soft limiter */ 2037d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * manual mapping of mixer names 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if the mixer topology is too complicated and the parsed names are 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ambiguous, add the entries in usbmixer_maps.c. 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "usbmixer_maps.c" 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* get the mapped name if the unit matches */ 21386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int check_mapped_name(struct mixer_build *state, int unitid, int control, char *buf, int buflen) 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct usbmix_name_map *p; 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! state->map) 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (p = state->map; p->id; p++) { 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p->id == unitid && p->name && 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (! control || ! p->control || control == p->control)) { 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buflen--; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return strlcpy(buf, p->name, buflen); 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* check whether the control should be ignored */ 23186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int check_ignored_ctl(struct mixer_build *state, int unitid, int control) 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct usbmix_name_map *p; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! state->map) 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (p = state->map; p->id; p++) { 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p->id == unitid && ! p->name && 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (! control || ! p->control || control == p->control)) { 24054530bded6ecf22d683423b66fc3cd6dddb249aaTakashi Iwai /* 24154530bded6ecf22d683423b66fc3cd6dddb249aaTakashi Iwai printk(KERN_DEBUG "ignored control %d:%d\n", 24254530bded6ecf22d683423b66fc3cd6dddb249aaTakashi Iwai unitid, control); 24354530bded6ecf22d683423b66fc3cd6dddb249aaTakashi Iwai */ 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2508e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch/* get the mapped selector source name */ 25186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int check_mapped_selector_name(struct mixer_build *state, int unitid, 2528e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch int index, char *buf, int buflen) 2538e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch{ 2548e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch const struct usbmix_selector_map *p; 2558e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch 2568e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch if (! state->selector_map) 2578e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch return 0; 2588e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch for (p = state->selector_map; p->id; p++) { 2598e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch if (p->id == unitid && index < p->count) 2608e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch return strlcpy(buf, p->names[index], buflen); 2618e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch } 2628e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch return 0; 2638e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch} 2648e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * find an audio control unit with the given unit id 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 26886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic void *find_audio_control_unit(struct mixer_build *state, unsigned char unit) 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *p; 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = NULL; 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_DT_CS_INTERFACE)) != NULL) { 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p[0] >= 4 && p[2] >= INPUT_TERMINAL && p[2] <= EXTENSION_UNIT && p[3] == unit) 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return p; 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copy a string with the given id 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 28586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int snd_usb_copy_string_desc(struct mixer_build *state, int index, char *buf, int maxlen) 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int len = usb_string(state->chip->dev, index, buf, maxlen - 1); 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[len] = 0; 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return len; 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * convert from the byte/word on usb descriptor to the zero-based integer 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 29586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int convert_signed_value(struct usb_mixer_elem_info *cval, int val) 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cval->val_type) { 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_BOOLEAN: 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return !!val; 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_INV_BOOLEAN: 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return !val; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_U8: 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val &= 0xff; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_S8: 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val &= 0xff; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val >= 0x80) 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val -= 0x100; 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_U16: 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val &= 0xffff; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_S16: 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val &= 0xffff; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val >= 0x8000) 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val -= 0x10000; 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * convert from the zero-based int to the byte/word for usb descriptor 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 32586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int convert_bytes_value(struct usb_mixer_elem_info *cval, int val) 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (cval->val_type) { 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_BOOLEAN: 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return !!val; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_INV_BOOLEAN: 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return !val; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_S8: 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_U8: 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val & 0xff; 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_S16: 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_MIXER_U16: 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val & 0xffff; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* not reached */ 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 34286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int get_relative_value(struct usb_mixer_elem_info *cval, int val) 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval->res) 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val < cval->min) 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 34814790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai else if (val >= cval->max) 34914790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai return (cval->max - cval->min + cval->res - 1) / cval->res; 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return (val - cval->min) / cval->res; 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int get_abs_value(struct usb_mixer_elem_info *cval, int val) 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val < 0) 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return cval->min; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval->res) 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val *= cval->res; 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val += cval->min; 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val > cval->max) 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return cval->max; 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return val; 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * retrieve a mixer value 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 37286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int get_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char buf[2]; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout = 10; 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (timeout-- > 0) { 37984957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (snd_usb_ctl_msg(cval->mixer->chip->dev, 38084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch usb_rcvctrlpipe(cval->mixer->chip->dev, 0), 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds request, 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, 38384957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch validx, cval->mixer->ctrlif | (cval->id << 8), 384a04395ead6d17c83da64264b6fe78f852a648202Thomas Reitmayr buf, val_len, 100) >= val_len) { 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 38984957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", 39084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 39486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int get_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int *value) 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return get_ctl_value(cval, GET_CUR, validx, value); 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* channel = 0: master, 1 = first channel */ 400641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwaistatic inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval, 401641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int channel, int *value) 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return get_ctl_value(cval, GET_CUR, (cval->control << 8) | channel, value); 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 406641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwaistatic int get_cur_mix_value(struct usb_mixer_elem_info *cval, 407641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int channel, int index, int *value) 408641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai{ 409641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int err; 410641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai 411641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (cval->cached & (1 << channel)) { 412641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai *value = cval->cache_val[index]; 413641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return 0; 414641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai } 415641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai err = get_cur_mix_raw(cval, channel, value); 416641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (err < 0) { 417641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (!cval->mixer->ignore_ctl_error) 418641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai snd_printd(KERN_ERR "cannot get current value for " 419641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai "control %d ch %d: err = %d\n", 420641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cval->control, channel, err); 421641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return err; 422641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai } 423641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cval->cached |= 1 << channel; 424641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cval->cache_val[index] = *value; 425641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return 0; 426641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai} 427641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai 428641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * set a mixer value 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 43386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int set_ctl_value(struct usb_mixer_elem_info *cval, int request, int validx, int value_set) 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char buf[2]; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int timeout = 10; 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds value_set = convert_bytes_value(cval, value_set); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[0] = value_set & 0xff; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf[1] = (value_set >> 8) & 0xff; 442cf3f9130f48ed04f32a31cfad21f576d45b8788bViral Mehta while (timeout-- > 0) 44384957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (snd_usb_ctl_msg(cval->mixer->chip->dev, 44484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch usb_sndctrlpipe(cval->mixer->chip->dev, 0), 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds request, 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 44784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch validx, cval->mixer->ctrlif | (cval->id << 8), 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds buf, val_len, 100) >= 0) 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 45084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", 45184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type, buf[0], buf[1]); 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 45586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return set_ctl_value(cval, SET_CUR, validx, value); 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 460641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwaistatic int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, 461641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int index, int value) 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 463641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai int err; 464641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai err = set_ctl_value(cval, SET_CUR, (cval->control << 8) | channel, 465641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai value); 466641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (err < 0) 467641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return err; 468641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cval->cached |= 1 << channel; 469641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cval->cache_val[index] = value; 470641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return 0; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4737bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai/* 4747bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai * TLV callback for mixer volume controls 4757bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai */ 4767bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwaistatic int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag, 4777bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai unsigned int size, unsigned int __user *_tlv) 4787bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai{ 4797bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 480b8e1c73f4608b8b9ca1e8f1a09f9fd8684e78071Takashi Iwai DECLARE_TLV_DB_MINMAX(scale, 0, 0); 4817bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai 4827bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai if (size < sizeof(scale)) 4837bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai return -ENOMEM; 4847bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai /* USB descriptions contain the dB scale in 1/256 dB unit 4857bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai * while ALSA TLV contains in 1/100 dB unit 4867bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai */ 4877bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai scale[2] = (convert_signed_value(cval, cval->min) * 100) / 256; 488b8e1c73f4608b8b9ca1e8f1a09f9fd8684e78071Takashi Iwai scale[3] = (convert_signed_value(cval, cval->max) * 100) / 256; 489eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai if (scale[3] <= scale[2]) { 490eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai /* something is wrong; assume it's either from/to 0dB */ 491eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai if (scale[2] < 0) 492eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai scale[3] = 0; 493eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai else if (scale[2] > 0) 494eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai scale[2] = 0; 495eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai else /* totally crap, return an error */ 496eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai return -EINVAL; 497eedbdf03a25ab3b2c332ad7fa205aa8ffbe477baTakashi Iwai } 4987bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai if (copy_to_user(_tlv, scale, sizeof(scale))) 4997bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai return -EFAULT; 5007bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai return 0; 5017bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai} 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parser routines begin here... 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 50786e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_unit(struct mixer_build *state, int unitid); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * check if the input/output channel routing is enabled on the given bitmap. 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * used for mixer unit parser 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int check_matrix_bitmap(unsigned char *bmap, int ich, int och, int num_outs) 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int idx = ich * num_outs + och; 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return bmap[idx >> 3] & (0x80 >> (idx & 7)); 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * add an alsa control element 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * search and increment the index until an empty slot is found. 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if failed, give up and free the control instance. 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 52886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int add_control_to_empty(struct mixer_build *state, struct snd_kcontrol *kctl) 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 53086e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kctl->private_data; 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 53284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 53384957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch while (snd_ctl_find_id(state->chip->card, &kctl->id)) 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->id.index++; 53584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if ((err = snd_ctl_add(state->chip->card, kctl)) < 0) { 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printd(KERN_ERR "cannot add control (err = %d)\n", err); 5376639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return err; 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5396639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch cval->elem_id = &kctl->id; 5406639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch cval->next_id_elem = state->mixer->id_elems[cval->id]; 5416639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch state->mixer->id_elems[cval->id] = cval; 5426639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return 0; 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * get a terminal name string 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct iterm_name_combo { 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int type; 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} iterm_names[] = { 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0300, "Output" }, 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0301, "Speaker" }, 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0302, "Headphone" }, 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0303, "HMD Audio" }, 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0304, "Desktop Speaker" }, 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0305, "Room Speaker" }, 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0306, "Com Speaker" }, 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0307, "LFE" }, 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0600, "External In" }, 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0601, "Analog In" }, 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0602, "Digital In" }, 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0603, "Line" }, 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0604, "Legacy In" }, 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0605, "IEC958 In" }, 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0606, "1394 DA Stream" }, 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0607, "1394 DV Stream" }, 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0700, "Embedded" }, 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0701, "Noise Source" }, 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0702, "Equalization Noise" }, 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0703, "CD" }, 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0704, "DAT" }, 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0705, "DCC" }, 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0706, "MiniDisk" }, 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0707, "Analog Tape" }, 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0708, "Phonograph" }, 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0709, "VCR Audio" }, 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x070a, "Video Disk Audio" }, 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x070b, "DVD Audio" }, 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x070c, "TV Tuner Audio" }, 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x070d, "Satellite Rec Audio" }, 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x070e, "Cable Tuner Audio" }, 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x070f, "DSS Audio" }, 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0710, "Radio Receiver" }, 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0711, "Radio Transmitter" }, 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0712, "Multi-Track Recorder" }, 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x0713, "Synthesizer" }, 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 }, 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 59386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm, 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *name, int maxlen, int term_only) 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct iterm_name_combo *names; 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (iterm->name) 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return snd_usb_copy_string_desc(state, iterm->name, name, maxlen); 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* virtual type - not a real terminal */ 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (iterm->type >> 16) { 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (term_only) 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (iterm->type >> 16) { 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SELECTOR_UNIT: 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Selector"); return 8; 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PROCESSING_UNIT: 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Process Unit"); return 12; 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EXTENSION_UNIT: 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Ext Unit"); return 8; 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MIXER_UNIT: 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Mixer"); return 5; 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return sprintf(name, "Unit %d", iterm->id); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (iterm->type & 0xff00) { 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0100: 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "PCM"); return 3; 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0200: 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Mic"); return 3; 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0400: 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Headset"); return 7; 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 0x0500: 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, "Phone"); return 5; 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (names = iterm_names; names->type; names++) 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (names->type == iterm->type) { 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(name, names->name); 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return strlen(names->name); 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parse the source unit recursively until it reaches to a terminal 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * or a branched unit. 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 64386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term) 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *p1; 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(term, 0, sizeof(*term)); 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ((p1 = find_audio_control_unit(state, id)) != NULL) { 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->id = id; 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (p1[2]) { 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INPUT_TERMINAL: 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->type = combine_word(p1 + 4); 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->channels = p1[7]; 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->chconfig = combine_word(p1 + 8); 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->name = p1[11]; 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FEATURE_UNIT: 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds id = p1[4]; 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; /* continue to parse */ 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MIXER_UNIT: 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->type = p1[2] << 16; /* virtual type */ 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->channels = p1[5 + p1[4]]; 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->chconfig = combine_word(p1 + 6 + p1[4]); 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->name = p1[p1[0] - 1]; 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SELECTOR_UNIT: 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* call recursively to retrieve the channel info */ 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_input_term(state, p1[5], term) < 0) 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->type = p1[2] << 16; /* virtual type */ 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->id = id; 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->name = p1[9 + p1[0] - 1]; 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PROCESSING_UNIT: 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EXTENSION_UNIT: 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (p1[6] == 1) { 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds id = p1[7]; 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; /* continue to parse */ 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->type = p1[2] << 16; /* virtual type */ 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->channels = p1[7 + p1[6]]; 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->chconfig = combine_word(p1 + 8 + p1[6]); 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds term->name = p1[12 + p1[6] + p1[11 + p1[6]]]; 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Feature Unit 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* feature unit control information */ 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct usb_feature_control_info { 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const char *name; 7001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int type; /* control type (mute, volume, etc.) */ 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct usb_feature_control_info audio_feature_info[] = { 7041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Mute", USB_MIXER_INV_BOOLEAN }, 7051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Volume", USB_MIXER_S16 }, 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Tone Control - Bass", USB_MIXER_S8 }, 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Tone Control - Mid", USB_MIXER_S8 }, 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Tone Control - Treble", USB_MIXER_S8 }, 7091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ 7101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Auto Gain Control", USB_MIXER_BOOLEAN }, 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Delay Control", USB_MIXER_U16 }, 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Bass Boost", USB_MIXER_BOOLEAN }, 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { "Loudness", USB_MIXER_BOOLEAN }, 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 7151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* private_free callback */ 71886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic void usb_mixer_elem_free(struct snd_kcontrol *kctl) 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7204d572776d4dfa2d5385a2ec3acec3cc059149e13Jesper Juhl kfree(kctl->private_data); 7214d572776d4dfa2d5385a2ec3acec3cc059149e13Jesper Juhl kctl->private_data = NULL; 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * interface to ALSA control for feature/mixer units 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * retrieve the minimum and maximum values for the specified control 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 73286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int get_min_max(struct usb_mixer_elem_info *cval, int default_min) 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* for failsafe */ 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->min = default_min; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->max = cval->min + 1; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->val_type == USB_MIXER_BOOLEAN || 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type == USB_MIXER_INV_BOOLEAN) { 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->initialized = 1; 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int minchn = 0; 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->cmask) { 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < MAX_CHANNELS; i++) 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->cmask & (1 << i)) { 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds minchn = i + 1; 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (get_ctl_value(cval, GET_MAX, (cval->control << 8) | minchn, &cval->max) < 0 || 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds get_ctl_value(cval, GET_MIN, (cval->control << 8) | minchn, &cval->min) < 0) { 75484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch snd_printd(KERN_ERR "%d:%d: cannot get min/max values for control %d (id %d)\n", 75584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch cval->id, cval->mixer->ctrlif, cval->control, cval->id); 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) { 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int last_valid_res = cval->res; 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (cval->res > 1) { 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (set_ctl_value(cval, SET_RES, (cval->control << 8) | minchn, cval->res / 2) < 0) 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res /= 2; 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (get_ctl_value(cval, GET_RES, (cval->control << 8) | minchn, &cval->res) < 0) 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = last_valid_res; 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->res == 0) 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 77314790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai 77414790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai /* Additional checks for the proper resolution 77514790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai * 77614790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai * Some devices report smaller resolutions than actually 77714790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai * reacting. They don't return errors but simply clip 77814790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai * to the lower aligned value. 77914790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai */ 78014790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai if (cval->min + cval->res < cval->max) { 78114790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai int last_valid_res = cval->res; 78214790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai int saved, test, check; 783641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai get_cur_mix_raw(cval, minchn, &saved); 78414790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai for (;;) { 78514790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai test = saved; 78614790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai if (test < cval->max) 78714790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai test += cval->res; 78814790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai else 78914790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai test -= cval->res; 79014790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai if (test < cval->min || test > cval->max || 791641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai set_cur_mix_value(cval, minchn, 0, test) || 792641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai get_cur_mix_raw(cval, minchn, &check)) { 79314790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai cval->res = last_valid_res; 79414790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai break; 79514790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai } 79614790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai if (test == check) 79714790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai break; 79814790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai cval->res *= 2; 79914790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai } 800641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai set_cur_mix_value(cval, minchn, 0, saved); 80114790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai } 80214790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->initialized = 1; 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* get a feature/mixer unit info */ 81086e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_feature_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 81286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->val_type == USB_MIXER_BOOLEAN || 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type == USB_MIXER_INV_BOOLEAN) 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->count = cval->channels; 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->val_type == USB_MIXER_BOOLEAN || 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type == USB_MIXER_INV_BOOLEAN) { 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->value.integer.min = 0; 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->value.integer.max = 1; 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval->initialized) 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds get_min_max(cval, 0); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->value.integer.min = 0; 82814790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai uinfo->value.integer.max = 82914790f1c73cfa4d4a22ac10b4501b4831380683cTakashi Iwai (cval->max - cval->min + cval->res - 1) / cval->res; 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* get the current value from feature/mixer unit */ 83586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 83786e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int c, cnt, val, err; 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 840641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai ucontrol->value.integer.value[0] = cval->min; 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->cmask) { 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt = 0; 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (c = 0; c < MAX_CHANNELS; c++) { 844641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (!(cval->cmask & (1 << c))) 845641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai continue; 846641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai err = get_cur_mix_value(cval, c + 1, cnt, &val); 847641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (err < 0) 848641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return cval->mixer->ignore_ctl_error ? 0 : err; 849641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai val = get_relative_value(cval, val); 850641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai ucontrol->value.integer.value[cnt] = val; 851641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cnt++; 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 853641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return 0; 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* master channel */ 856641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai err = get_cur_mix_value(cval, 0, 0, &val); 857641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (err < 0) 858641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return cval->mixer->ignore_ctl_error ? 0 : err; 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = get_relative_value(cval, val); 8601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ucontrol->value.integer.value[0] = val; 8611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* put the current value to feature/mixer unit */ 86686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 86886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int c, cnt, val, oval, err; 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int changed = 0; 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cval->cmask) { 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnt = 0; 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (c = 0; c < MAX_CHANNELS; c++) { 875641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (!(cval->cmask & (1 << c))) 876641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai continue; 877641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai err = get_cur_mix_value(cval, c + 1, cnt, &oval); 878641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (err < 0) 879641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return cval->mixer->ignore_ctl_error ? 0 : err; 880641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai val = ucontrol->value.integer.value[cnt]; 881641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai val = get_abs_value(cval, val); 882641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai if (oval != val) { 883641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai set_cur_mix_value(cval, c + 1, cnt, val); 884641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai changed = 1; 8851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 886641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai cnt++; 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 8891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* master channel */ 890641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai err = get_cur_mix_value(cval, 0, 0, &oval); 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) 892641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai return cval->mixer->ignore_ctl_error ? 0 : err; 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = ucontrol->value.integer.value[0]; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = get_abs_value(cval, val); 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val != oval) { 896641b4879444c0edb276fedca5c2fcbd2e5c70044Takashi Iwai set_cur_mix_value(cval, 0, 0, val); 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds changed = 1; 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return changed; 9011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 90386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic struct snd_kcontrol_new usb_feature_unit_ctl = { 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "", /* will be filled later manually */ 9061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .info = mixer_ctl_feature_info, 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .get = mixer_ctl_feature_get, 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .put = mixer_ctl_feature_put, 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * build a feature control 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 91608d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwaistatic size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) 91708d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai{ 91808d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai return strlcat(kctl->id.name, str, sizeof(kctl->id.name)); 91908d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai} 92008d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai 92186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic void build_feature_ctl(struct mixer_build *state, unsigned char *desc, 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int ctl_mask, int control, 92386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_audio_term *iterm, int unitid) 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int len = 0; 9261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mapped_name = 0; 9271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nameid = desc[desc[0] - 1]; 92886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_kcontrol *kctl; 92986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval; 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds control++; /* change from zero-based to 1-based value */ 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (control == USB_FEATURE_GEQ) { 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIXME: not supported yet */ 9351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_ignored_ctl(state, unitid, control)) 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 941561b220a4dece18d67177413e6fa21b49aa4acceTakashi Iwai cval = kzalloc(sizeof(*cval), GFP_KERNEL); 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval) { 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 94684957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch cval->mixer = state->mixer; 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id = unitid; 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->control = control; 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->cmask = ctl_mask; 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type = audio_feature_info[control-1].type; 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ctl_mask == 0) 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->channels = 1; /* master channel */ 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, c = 0; 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 16; i++) 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ctl_mask & (1 << i)) 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds c++; 9581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->channels = c; 9591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* get min/max values */ 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds get_min_max(cval, 0); 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 9651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! kctl) { 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_free = usb_mixer_elem_free; 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = check_mapped_name(state, unitid, control, kctl->id.name, sizeof(kctl->id.name)); 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mapped_name = len != 0; 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len && nameid) 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (control) { 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_FEATURE_MUTE: 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case USB_FEATURE_VOLUME: 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* determine the control name. the rule is: 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - if a name id is given in descriptor, use it. 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - if the connected input can be determined, then use the name 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * of terminal type. 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - if the connected output can be determined, use it. 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * - otherwise, anonymous name. 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) { 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 1); 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = get_term_name(state, &state->oterm, kctl->id.name, sizeof(kctl->id.name), 1); 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = snprintf(kctl->id.name, sizeof(kctl->id.name), 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "Feature %d", unitid); 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* determine the stream direction: 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * if the connected output is USB stream, then it's likely a 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * capture stream. otherwise it should be playback (hopefully :) 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! mapped_name && ! (state->oterm.type >> 16)) { 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((state->oterm.type & 0xff00) == 0x0100) { 100108d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai len = append_ctl_name(kctl, " Capture"); 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 100308d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai len = append_ctl_name(kctl, " Playback"); 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 100608d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai append_ctl_name(kctl, control == USB_FEATURE_MUTE ? 100708d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai " Switch" : " Volume"); 10087bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai if (control == USB_FEATURE_VOLUME) { 10097bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai kctl->tlv.c = mixer_vol_tlv; 10107bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai kctl->vd[0].access |= 10117bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_READ | 10127bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 10137bc5ba7e02f63a5732fdf99e7471f54738f6f918Takashi Iwai } 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(kctl->id.name, audio_feature_info[control-1].name, 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sizeof(kctl->id.name)); 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10232cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher /* volume control quirks */ 102427d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch switch (state->chip->usb_id) { 102527d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch case USB_ID(0x0471, 0x0101): 102627d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch case USB_ID(0x0471, 0x0104): 102727d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch case USB_ID(0x0471, 0x0105): 102827d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch case USB_ID(0x0672, 0x1041): 10292cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher /* quirk for UDA1321/N101. 10302cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher * note that detection between firmware 2.1.1.7 (N101) 10312cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher * and later 2.1.1.21 is not very clear from datasheets. 10322cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher * I hope that the min value is -15360 for newer firmware --jk 10332cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher */ 103427d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch if (!strcmp(kctl->id.name, "PCM Playback Volume") && 103527d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch cval->min == -15616) { 10362cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher snd_printk(KERN_INFO 10372cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher "set volume quirk for UDA1321/N101 chip\n"); 103827d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch cval->max = -256; 103927d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch } 10402cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher break; 10412cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher 10422cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher case USB_ID(0x046d, 0x09a4): 10432cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher if (!strcmp(kctl->id.name, "Mic Capture Volume")) { 10442cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher snd_printk(KERN_INFO 10452cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher "set volume quirk for QuickCam E3500\n"); 10462cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher cval->min = 6080; 10472cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher cval->max = 8768; 10482cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher cval->res = 192; 10492cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher } 10502cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher break; 10512cf313ee75ddf6220b5d623b749b1bb79458307fAlexey Fisher 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id, kctl->id.name, cval->channels, cval->min, cval->max, cval->res); 105684957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch add_control_to_empty(state, kctl); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parse a feature unit 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * most of controlls are defined here. 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 106686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_feature_unit(struct mixer_build *state, int unitid, unsigned char *ftr) 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int channels, i, j; 106986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_audio_term iterm; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int master_bits, first_ch_bits; 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err, csize; 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ftr[0] < 7 || ! (csize = ftr[5]) || ftr[0] < 7 + csize) { 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "usbaudio: unit %u: invalid FEATURE_UNIT descriptor\n", unitid); 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* parse the source unit */ 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((err = parse_audio_unit(state, ftr[4])) < 0) 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* determine the input source type and name */ 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_input_term(state, ftr[4], &iterm) < 0) 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds channels = (ftr[0] - 7) / csize - 1; 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds master_bits = snd_usb_combine_bytes(ftr + 6, csize); 10890c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen /* master configuration quirks */ 10900c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen switch (state->chip->usb_id) { 10910c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen case USB_ID(0x08bb, 0x2702): 10920c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen snd_printk(KERN_INFO 10930c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen "usbmixer: master volume quirk for PCM2702 chip\n"); 10940c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen /* disable non-functional volume control */ 10950c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen master_bits &= ~(1 << (USB_FEATURE_VOLUME - 1)); 10960c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen break; 10970c3cee57efcb1c79d62b1238c0d22afef4599247Javier Kohen } 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (channels > 0) 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds first_ch_bits = snd_usb_combine_bytes(ftr + 6 + csize, csize); 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds first_ch_bits = 0; 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check all control types */ 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 10; i++) { 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int ch_bits = 0; 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < channels; j++) { 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int mask = snd_usb_combine_bytes(ftr + 6 + csize * (j+1), csize); 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mask & (1 << i)) 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ch_bits |= (1 << j); 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds build_feature_ctl(state, ftr, ch_bits, i, &iterm, unitid); 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (master_bits & (1 << i)) 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds build_feature_ctl(state, ftr, 0, i, &iterm, unitid); 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Mixer Unit 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * build a mixer unit control 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the callbacks are identical with feature unit. 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * input channel number (zero based) is given in control field instead. 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 113186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic void build_mixer_unit_ctl(struct mixer_build *state, unsigned char *desc, 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int in_pin, int in_ch, int unitid, 113386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_audio_term *iterm) 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 113586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval; 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int input_pins = desc[4]; 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int num_outs = desc[5 + input_pins]; 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int i, len; 113986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_kcontrol *kctl; 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_ignored_ctl(state, unitid, 0)) 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1144561b220a4dece18d67177413e6fa21b49aa4acceTakashi Iwai cval = kzalloc(sizeof(*cval), GFP_KERNEL); 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval) 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 114884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch cval->mixer = state->mixer; 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id = unitid; 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->control = in_ch + 1; /* based on 1 */ 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type = USB_MIXER_S16; 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < num_outs; i++) { 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_matrix_bitmap(desc + 9 + input_pins, in_ch, i, num_outs)) { 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->cmask |= (1 << i); 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->channels++; 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* get min/max values */ 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds get_min_max(cval, 0); 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! kctl) { 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_free = usb_mixer_elem_free; 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = get_term_name(state, iterm, kctl->id.name, sizeof(kctl->id.name), 0); 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = sprintf(kctl->id.name, "Mixer Source %d", in_ch + 1); 117508d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai append_ctl_name(kctl, " Volume"); 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printdd(KERN_INFO "[%d] MU [%s] ch = %d, val = %d/%d\n", 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id, kctl->id.name, cval->channels, cval->min, cval->max); 117984957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch add_control_to_empty(state, kctl); 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parse a mixer unit 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 118686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_mixer_unit(struct mixer_build *state, int unitid, unsigned char *desc) 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 118886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_audio_term iterm; 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int input_pins, num_ins, num_outs; 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pin, ich, err; 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (desc[0] < 11 || ! (input_pins = desc[4]) || ! (num_outs = desc[5 + input_pins])) { 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "invalid MIXER UNIT descriptor %d\n", unitid); 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* no bmControls field (e.g. Maya44) -> ignore */ 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (desc[0] <= 10 + input_pins) { 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printdd(KERN_INFO "MU %d has no bmControls field\n", unitid); 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds num_ins = 0; 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ich = 0; 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (pin = 0; pin < input_pins; pin++) { 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = parse_audio_unit(state, desc[5 + pin]); 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = check_input_term(state, desc[5 + pin], &iterm); 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds num_ins += iterm.channels; 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (; ich < num_ins; ++ich) { 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int och, ich_has_controls = 0; 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (och = 0; och < num_outs; ++och) { 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_matrix_bitmap(desc + 9 + input_pins, 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ich, och, num_outs)) { 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ich_has_controls = 1; 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ich_has_controls) 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds build_mixer_unit_ctl(state, desc, pin, ich, 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unitid, &iterm); 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Processing Unit / Extension Unit 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* get callback for processing/extension unit */ 123686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_procunit_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 123886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err, val; 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = get_cur_ctl_value(cval, cval->control << 8, &val); 124284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (err < 0 && cval->mixer->ignore_ctl_error) { 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ucontrol->value.integer.value[0] = cval->min; 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = get_relative_value(cval, val); 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ucontrol->value.integer.value[0] = val; 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* put callback for processing/extension unit */ 125486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_procunit_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 125686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val, oval, err; 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = get_cur_ctl_value(cval, cval->control << 8, &oval); 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 126184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (cval->mixer->ignore_ctl_error) 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = ucontrol->value.integer.value[0]; 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = get_abs_value(cval, val); 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val != oval) { 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_cur_ctl_value(cval, cval->control << 8, val); 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* alsa control interface for processing/extension unit */ 127586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic struct snd_kcontrol_new mixer_procunit_ctl = { 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "", /* will be filled later */ 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .info = mixer_ctl_feature_info, 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .get = mixer_ctl_procunit_get, 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .put = mixer_ctl_procunit_put, 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * predefined data for processing units 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct procunit_value_info { 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int control; 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *suffix; 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val_type; 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int min_value; 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct procunit_info { 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int type; 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char *name; 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct procunit_value_info *values; 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_value_info updown_proc_info[] = { 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_value_info prologic_proc_info[] = { 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_value_info threed_enh_proc_info[] = { 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_value_info reverb_proc_info[] = { 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_value_info chorus_proc_info[] = { 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_value_info dcr_proc_info[] = { 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct procunit_info procunits[] = { 13401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_REVERB, "Reverb", reverb_proc_info }, 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { USB_PROC_DCR, "DCR", dcr_proc_info }, 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 }, 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 13487d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk/* 13497d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk * predefined data for extension units 13507d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk */ 13517d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukstatic struct procunit_value_info clock_rate_xu_info[] = { 13527d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_CLOCK_RATE_SELECTOR, "Selector", USB_MIXER_U8, 0 }, 13537d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { 0 } 13547d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 13557d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukstatic struct procunit_value_info clock_source_xu_info[] = { 13567d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_CLOCK_SOURCE_SELECTOR, "External", USB_MIXER_BOOLEAN }, 13577d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { 0 } 13587d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 13597d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukstatic struct procunit_value_info spdif_format_xu_info[] = { 13607d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_DIGITAL_FORMAT_SELECTOR, "SPDIF/AC3", USB_MIXER_BOOLEAN }, 13617d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { 0 } 13627d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 13637d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukstatic struct procunit_value_info soft_limit_xu_info[] = { 13647d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_SOFT_LIMIT_SELECTOR, " ", USB_MIXER_BOOLEAN }, 13657d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { 0 } 13667d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 13677d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukstatic struct procunit_info extunits[] = { 13687d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_CLOCK_RATE, "Clock rate", clock_rate_xu_info }, 13697d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_CLOCK_SOURCE, "DigitalIn CLK source", clock_source_xu_info }, 13707d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_DIGITAL_IO_STATUS, "DigitalOut format:", spdif_format_xu_info }, 13717d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { USB_XU_DEVICE_OPTIONS, "AnalogueIn Soft Limit", soft_limit_xu_info }, 13727d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk { 0 } 13737d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk}; 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * build a processing/extension unit 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 137786e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int build_audio_procunit(struct mixer_build *state, int unitid, unsigned char *dsc, struct procunit_info *list, char *name) 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 13791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int num_ins = dsc[6]; 138086e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval; 138186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_kcontrol *kctl; 13821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, err, nameid, type, len; 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct procunit_info *info; 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct procunit_value_info *valinfo; 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds static struct procunit_value_info default_value_info[] = { 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0x01, "Switch", USB_MIXER_BOOLEAN }, 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0 } 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds static struct procunit_info default_info = { 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 0, NULL, default_value_info 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }; 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dsc[0] < 13 || dsc[0] < 13 + num_ins || dsc[0] < num_ins + dsc[11 + num_ins]) { 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "invalid %s descriptor (id %d)\n", name, unitid); 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < num_ins; i++) { 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((err = parse_audio_unit(state, dsc[7 + i])) < 0) 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = combine_word(&dsc[4]); 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (info = list; info && info->type; info++) 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (info->type == type) 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! info || ! info->type) 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds info = &default_info; 14091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (valinfo = info->values; valinfo->control; valinfo++) { 14111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIXME: bitmap might be longer than 8bit */ 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! (dsc[12 + num_ins] & (1 << (valinfo->control - 1)))) 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_ignored_ctl(state, unitid, valinfo->control)) 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 1416561b220a4dece18d67177413e6fa21b49aa4acceTakashi Iwai cval = kzalloc(sizeof(*cval), GFP_KERNEL); 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval) { 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 142184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch cval->mixer = state->mixer; 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id = unitid; 14231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->control = valinfo->control; 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type = valinfo->val_type; 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->channels = 1; 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* get min/max values */ 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIXME: hard-coded */ 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->min = 1; 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->max = dsc[15]; 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->initialized = 1; 14347d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk } else { 14357d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk if (type == USB_XU_CLOCK_RATE) { 14367d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk /* E-Mu USB 0404/0202/TrackerPre 14377d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk * samplerate control quirk 14387d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk */ 14397d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk cval->min = 0; 14407d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk cval->max = 5; 14417d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk cval->res = 1; 14427d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk cval->initialized = 1; 14437d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk } else 14447d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk get_min_max(cval, valinfo->min_value); 14457d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk } 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl = snd_ctl_new1(&mixer_procunit_ctl, cval); 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! kctl) { 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 14501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_free = usb_mixer_elem_free; 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_mapped_name(state, unitid, cval->control, kctl->id.name, sizeof(kctl->id.name))) 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ; 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (info->name) 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(kctl->id.name, info->name, sizeof(kctl->id.name)); 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nameid = dsc[12 + num_ins + dsc[11 + num_ins]]; 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 0; 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nameid) 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(kctl->id.name, name, sizeof(kctl->id.name)); 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 146708d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai append_ctl_name(kctl, " "); 146808d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai append_ctl_name(kctl, valinfo->suffix); 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printdd(KERN_INFO "[%d] PU [%s] ch = %d, val = %d/%d\n", 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id, kctl->id.name, cval->channels, cval->min, cval->max); 147284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if ((err = add_control_to_empty(state, kctl)) < 0) 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 147986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_processing_unit(struct mixer_build *state, int unitid, unsigned char *desc) 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return build_audio_procunit(state, unitid, desc, procunits, "Processing Unit"); 14821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 148486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_extension_unit(struct mixer_build *state, int unitid, unsigned char *desc) 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14867d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk return build_audio_procunit(state, unitid, desc, extunits, "Extension Unit"); 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 14911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Selector Unit 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* info callback for selector unit 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * use an enumerator type for routing 14961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 149786e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 149986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 15001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char **itemlist = (char **)kcontrol->private_value; 15011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15025e246b850df563224be26f1d409cf66fd6c968dfTakashi Iwai if (snd_BUG_ON(!itemlist)) 15035e246b850df563224be26f1d409cf66fd6c968dfTakashi Iwai return -EINVAL; 15041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; 15051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->count = 1; 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->value.enumerated.items = cval->max; 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((int)uinfo->value.enumerated.item >= cval->max) 15081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds uinfo->value.enumerated.item = cval->max - 1; 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item]); 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* get callback for selector unit */ 151486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 151686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val, err; 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = get_cur_ctl_value(cval, 0, &val); 15201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 152184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (cval->mixer->ignore_ctl_error) { 15221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ucontrol->value.enumerated.item[0] = 0; 15231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = get_relative_value(cval, val); 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ucontrol->value.enumerated.item[0] = val; 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* put callback for selector unit */ 153386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 153586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kcontrol->private_data; 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int val, oval, err; 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = get_cur_ctl_value(cval, 0, &oval); 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) { 154084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (cval->mixer->ignore_ctl_error) 15411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = ucontrol->value.enumerated.item[0]; 15451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val = get_abs_value(cval, val); 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (val != oval) { 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_cur_ctl_value(cval, 0, val); 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 15511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* alsa control interface for selector unit */ 155486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic struct snd_kcontrol_new mixer_selectunit_ctl = { 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "", /* will be filled later */ 15571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .info = mixer_ctl_selector_info, 15581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .get = mixer_ctl_selector_get, 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .put = mixer_ctl_selector_put, 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* private free callback. 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * free both private_data and private_value 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 156686e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic void usb_mixer_selector_elem_free(struct snd_kcontrol *kctl) 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, num_ins = 0; 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (kctl->private_data) { 157186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval = kctl->private_data; 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds num_ins = cval->max; 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_data = NULL; 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (kctl->private_value) { 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char **itemlist = (char **)kctl->private_value; 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < num_ins; i++) 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(itemlist[i]); 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(itemlist); 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_value = 0; 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parse a selector unit 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 158886e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_selector_unit(struct mixer_build *state, int unitid, unsigned char *desc) 15891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int num_ins = desc[4]; 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int i, nameid, len; 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 159386e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *cval; 159486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_kcontrol *kctl; 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds char **namelist; 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 159738977e96cb32e658716e11a05ec7f1fc4618e0f3Russ Cox if (! num_ins || desc[0] < 5 + num_ins) { 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "invalid SELECTOR UNIT descriptor %d\n", unitid); 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < num_ins; i++) { 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((err = parse_audio_unit(state, desc[5 + i])) < 0) 16041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 16051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (num_ins == 1) /* only one ? nonsense! */ 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_ignored_ctl(state, unitid, 0)) 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1613561b220a4dece18d67177413e6fa21b49aa4acceTakashi Iwai cval = kzalloc(sizeof(*cval), GFP_KERNEL); 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! cval) { 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 161884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch cval->mixer = state->mixer; 16191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id = unitid; 16201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->val_type = USB_MIXER_U8; 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->channels = 1; 16221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->min = 1; 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->max = num_ins; 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->res = 1; 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->initialized = 1; 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds namelist = kmalloc(sizeof(char *) * num_ins, GFP_KERNEL); 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! namelist) { 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc\n"); 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define MAX_ITEM_NAME_LEN 64 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < num_ins; i++) { 163586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_audio_term iterm; 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = 0; 16371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds namelist[i] = kmalloc(MAX_ITEM_NAME_LEN, GFP_KERNEL); 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! namelist[i]) { 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc\n"); 16407fbe3ca571e4b0795b729658e3d76824be54cb18Mariusz Kozlowski while (i--) 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(namelist[i]); 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(namelist); 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 16441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 16451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16468e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch len = check_mapped_selector_name(state, unitid, i, namelist[i], 16478e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch MAX_ITEM_NAME_LEN); 16488e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch if (! len && check_input_term(state, desc[5 + i], &iterm) >= 0) 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = get_term_name(state, &iterm, namelist[i], MAX_ITEM_NAME_LEN, 0); 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sprintf(namelist[i], "Input %d", i); 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl = snd_ctl_new1(&mixer_selectunit_ctl, cval); 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! kctl) { 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "cannot malloc kcontrol\n"); 1657878b4789196e3cd470f843854b6b09d963214659Jesper Juhl kfree(namelist); 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(cval); 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_value = (unsigned long)namelist; 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->private_free = usb_mixer_selector_elem_free; 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nameid = desc[desc[0] - 1]; 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = check_mapped_name(state, unitid, 0, kctl->id.name, sizeof(kctl->id.name)); 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (len) 16671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ; 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (nameid) 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_usb_copy_string_desc(state, nameid, kctl->id.name, sizeof(kctl->id.name)); 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else { 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds len = get_term_name(state, &state->oterm, 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kctl->id.name, sizeof(kctl->id.name), 0); 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (! len) 16741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((state->oterm.type & 0xff00) == 0x0100) 167708d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai append_ctl_name(kctl, " Capture Source"); 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 167908d1e635089f41e28fec644a8620a0e8d66b1235Takashi Iwai append_ctl_name(kctl, " Playback Source"); 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printdd(KERN_INFO "[%d] SU [%s] items = %d\n", 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cval->id, kctl->id.name, num_ins); 168484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if ((err = add_control_to_empty(state, kctl)) < 0) 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * parse an audio unit recursively 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 169586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int parse_audio_unit(struct mixer_build *state, int unitid) 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *p1; 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (test_and_set_bit(unitid, state->unitbitmap)) 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* the unit already visited */ 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = find_audio_control_unit(state, unitid); 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!p1) { 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "usbaudio: unit %d not found!\n", unitid); 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (p1[2]) { 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INPUT_TERMINAL: 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; /* NOP */ 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case MIXER_UNIT: 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return parse_audio_mixer_unit(state, unitid, p1); 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case SELECTOR_UNIT: 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return parse_audio_selector_unit(state, unitid, p1); 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FEATURE_UNIT: 17161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return parse_audio_feature_unit(state, unitid, p1); 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PROCESSING_UNIT: 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return parse_audio_processing_unit(state, unitid, p1); 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case EXTENSION_UNIT: 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return parse_audio_extension_unit(state, unitid, p1); 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds snd_printk(KERN_ERR "usbaudio: unit %u: unexpected type 0x%02x\n", unitid, p1[2]); 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 172784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladischstatic void snd_usb_mixer_free(struct usb_mixer_interface *mixer) 172884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch{ 17296639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch kfree(mixer->id_elems); 17306639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (mixer->urb) { 17316639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch kfree(mixer->urb->transfer_buffer); 17326639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch usb_free_urb(mixer->urb); 17336639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch } 173468df9de1d0e95034355283dc12056f93de8e0a79Mariusz Kozlowski usb_free_urb(mixer->rc_urb); 1735b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch kfree(mixer->rc_setup_packet); 173684957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch kfree(mixer); 173784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch} 173884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 173986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int snd_usb_mixer_dev_free(struct snd_device *device) 174084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch{ 174184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch struct usb_mixer_interface *mixer = device->device_data; 174284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch snd_usb_mixer_free(mixer); 174384957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch return 0; 174484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch} 174584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * create mixer controls 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * walk through all OUTPUT_TERMINAL descriptors to search for mixers 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 175184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladischstatic int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) 17521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned char *desc; 175486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct mixer_build state; 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int err; 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct usbmix_ctl_map *map; 175784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch struct usb_host_interface *hostif; 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 175984957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds memset(&state, 0, sizeof(state)); 176184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch state.chip = mixer->chip; 176284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch state.mixer = mixer; 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state.buffer = hostif->extra; 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state.buflen = hostif->extralen; 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check the mapping table */ 176727d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch for (map = usbmix_ctl_maps; map->id; map++) { 176827d10f5664c7650af3b2ffadfefaf19b36dc7bd8Clemens Ladisch if (map->id == state.chip->usb_id) { 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state.map = map->map; 17708e062ec7108f8a91149e6bccddc3b7341e406274Clemens Ladisch state.selector_map = map->selector_map; 177184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch mixer->ignore_ctl_error = map->ignore_ctl_error; 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds desc = NULL; 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while ((desc = snd_usb_find_csint_desc(hostif->extra, hostif->extralen, desc, OUTPUT_TERMINAL)) != NULL) { 17781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (desc[0] < 9) 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; /* invalid descriptor? */ 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds set_bit(desc[3], state.unitbitmap); /* mark terminal ID as visited */ 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state.oterm.id = desc[3]; 17821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state.oterm.type = combine_word(&desc[4]); 17831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state.oterm.name = desc[8]; 17841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err = parse_audio_unit(&state, desc[7]); 17851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (err < 0) 17861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return err; 17871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 17891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 179084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 17916639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladischstatic void snd_usb_mixer_notify_id(struct usb_mixer_interface *mixer, 17926639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch int unitid) 17936639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch{ 179486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct usb_mixer_elem_info *info; 17956639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 17966639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch for (info = mixer->id_elems[unitid]; info; info = info->next_id_elem) 17976639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch snd_ctl_notify(mixer->chip->card, SNDRV_CTL_EVENT_MASK_VALUE, 17986639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch info->elem_id); 17996639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch} 18006639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 1801b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladischstatic void snd_usb_mixer_memory_change(struct usb_mixer_interface *mixer, 1802b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch int unitid) 1803b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch{ 18044d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans if (!mixer->rc_cfg) 1805aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch return; 1806aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch /* unit ids specific to Extigy/Audigy 2 NX: */ 1807aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch switch (unitid) { 1808aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch case 0: /* remote control */ 1809b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_urb->dev = mixer->chip->dev; 1810b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch usb_submit_urb(mixer->rc_urb, GFP_ATOMIC); 1811aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch break; 1812aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch case 4: /* digital in jack */ 1813aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch case 7: /* line in jacks */ 1814aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch case 19: /* speaker out jacks */ 1815aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch case 20: /* headphones out jack */ 1816aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch break; 181769b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko /* live24ext: 4 = line-in jack */ 181869b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko case 3: /* hp-out jack (may actuate Mute) */ 18193195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 18203195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) 182169b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko snd_usb_mixer_notify_id(mixer, mixer->rc_cfg->mute_mixer_id); 182269b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko break; 1823aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch default: 1824aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch snd_printd(KERN_DEBUG "memory change in unknown unit %d\n", unitid); 1825aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch break; 1826b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch } 1827b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch} 1828b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 18297d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void snd_usb_mixer_status_complete(struct urb *urb) 18306639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch{ 18316639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch struct usb_mixer_interface *mixer = urb->context; 18326639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 18336639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (urb->status == 0) { 18346639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch u8 *buf = urb->transfer_buffer; 18356639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch int i; 18366639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 18376639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch for (i = urb->actual_length; i >= 2; buf += 2, i -= 2) { 18386639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch snd_printd(KERN_DEBUG "status interrupt: %02x %02x\n", 18396639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch buf[0], buf[1]); 18406639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch /* ignore any notifications not from the control interface */ 18416639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if ((buf[0] & 0x0f) != 0) 18426639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch continue; 18436639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (!(buf[0] & 0x40)) 18446639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch snd_usb_mixer_notify_id(mixer, buf[1]); 1845b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch else 1846b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch snd_usb_mixer_memory_change(mixer, buf[1]); 18476639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch } 18486639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch } 18496639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (urb->status != -ENOENT && urb->status != -ECONNRESET) { 18506639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch urb->dev = mixer->chip->dev; 18516639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch usb_submit_urb(urb, GFP_ATOMIC); 18526639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch } 18536639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch} 18546639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 18556639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch/* create the handler for the optional status interrupt endpoint */ 18566639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladischstatic int snd_usb_mixer_status_create(struct usb_mixer_interface *mixer) 18576639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch{ 18586639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch struct usb_host_interface *hostif; 18596639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch struct usb_endpoint_descriptor *ep; 18606639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch void *transfer_buffer; 18616639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch int buffer_length; 18626639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch unsigned int epnum; 18636639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 18646639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch hostif = &usb_ifnum_to_if(mixer->chip->dev, mixer->ctrlif)->altsetting[0]; 18656639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch /* we need one interrupt input endpoint */ 18666639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (get_iface_desc(hostif)->bNumEndpoints < 1) 18676639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return 0; 18686639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch ep = get_endpoint(hostif, 0); 1869913ae5a24efd27deef4fc154953871b62d0d99cdJulia Lawall if (!usb_endpoint_dir_in(ep) || !usb_endpoint_xfer_int(ep)) 18706639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return 0; 18716639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 187242a6e66f1e40a930d093c33ba0bb9d8d8e4555edJulia Lawall epnum = usb_endpoint_num(ep); 18736639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch buffer_length = le16_to_cpu(ep->wMaxPacketSize); 18746639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch transfer_buffer = kmalloc(buffer_length, GFP_KERNEL); 18756639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (!transfer_buffer) 18766639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return -ENOMEM; 18776639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch mixer->urb = usb_alloc_urb(0, GFP_KERNEL); 18786639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (!mixer->urb) { 18796639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch kfree(transfer_buffer); 18806639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return -ENOMEM; 18816639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch } 18826639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch usb_fill_int_urb(mixer->urb, mixer->chip->dev, 18836639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch usb_rcvintpipe(mixer->chip->dev, epnum), 18846639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch transfer_buffer, buffer_length, 18856639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch snd_usb_mixer_status_complete, mixer, ep->bInterval); 18866639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch usb_submit_urb(mixer->urb, GFP_KERNEL); 18876639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return 0; 18886639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch} 18896639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 18907d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsstatic void snd_usb_soundblaster_remote_complete(struct urb *urb) 1891b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch{ 1892b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch struct usb_mixer_interface *mixer = urb->context; 18934d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans const struct rc_config *rc = mixer->rc_cfg; 1894b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch u32 code; 1895b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 1896b9c196e1452e1d4cbf0a1499f1e9c1b3edf59320Phillip Michael Jordan if (urb->status < 0 || urb->actual_length < rc->min_packet_length) 1897b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return; 18984d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans 18994d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans code = mixer->rc_buffer[rc->offset]; 19004d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans if (rc->length == 2) 19014d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans code |= mixer->rc_buffer[rc->offset + 1] << 8; 19024d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans 1903b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch /* the Mute button actually changes the mixer control */ 19044d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans if (code == rc->mute_code) 19054d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans snd_usb_mixer_notify_id(mixer, rc->mute_mixer_id); 1906b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_code = code; 1907b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch wmb(); 1908b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch wake_up(&mixer->rc_waitq); 1909b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch} 1910b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 191186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic long snd_usb_sbrc_hwdep_read(struct snd_hwdep *hw, char __user *buf, 1912b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch long count, loff_t *offset) 1913b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch{ 1914b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch struct usb_mixer_interface *mixer = hw->private_data; 1915b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch int err; 1916b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch u32 rc_code; 1917b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 1918434b7f56872fc5783c77f362e895da8e22168325Clemens Ladisch if (count != 1 && count != 4) 1919b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return -EINVAL; 1920b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch err = wait_event_interruptible(mixer->rc_waitq, 1921b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch (rc_code = xchg(&mixer->rc_code, 0)) != 0); 1922b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch if (err == 0) { 1923434b7f56872fc5783c77f362e895da8e22168325Clemens Ladisch if (count == 1) 1924434b7f56872fc5783c77f362e895da8e22168325Clemens Ladisch err = put_user(rc_code, buf); 1925434b7f56872fc5783c77f362e895da8e22168325Clemens Ladisch else 1926434b7f56872fc5783c77f362e895da8e22168325Clemens Ladisch err = put_user(rc_code, (u32 __user *)buf); 1927b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch } 1928b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return err < 0 ? err : count; 1929b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch} 1930b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 193186e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic unsigned int snd_usb_sbrc_hwdep_poll(struct snd_hwdep *hw, struct file *file, 1932b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch poll_table *wait) 1933b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch{ 1934b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch struct usb_mixer_interface *mixer = hw->private_data; 1935b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 1936b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch poll_wait(file, &mixer->rc_waitq, wait); 1937b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return mixer->rc_code ? POLLIN | POLLRDNORM : 0; 1938b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch} 1939b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 1940b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladischstatic int snd_usb_soundblaster_remote_init(struct usb_mixer_interface *mixer) 1941b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch{ 194286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_hwdep *hwdep; 19434d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans int err, len, i; 1944b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 19454d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans for (i = 0; i < ARRAY_SIZE(rc_configs); ++i) 19464d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans if (rc_configs[i].usb_id == mixer->chip->usb_id) 19474d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans break; 19484d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans if (i >= ARRAY_SIZE(rc_configs)) 1949b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return 0; 19504d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans mixer->rc_cfg = &rc_configs[i]; 1951b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 19524d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans len = mixer->rc_cfg->packet_length; 19534d1a70dad0e1c44dc0725de6de25aceead48599eRaimonds Cicans 1954b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch init_waitqueue_head(&mixer->rc_waitq); 1955b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch err = snd_hwdep_new(mixer->chip->card, "SB remote control", 0, &hwdep); 1956b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch if (err < 0) 1957b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return err; 1958b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch snprintf(hwdep->name, sizeof(hwdep->name), 1959b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch "%s remote control", mixer->chip->card->shortname); 1960b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch hwdep->iface = SNDRV_HWDEP_IFACE_SB_RC; 1961b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch hwdep->private_data = mixer; 1962b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch hwdep->ops.read = snd_usb_sbrc_hwdep_read; 1963b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch hwdep->ops.poll = snd_usb_sbrc_hwdep_poll; 196428b7e343ee63454d563a71d2d5f769fc297fd5adTakashi Iwai hwdep->exclusive = 1; 1965b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 1966b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_urb = usb_alloc_urb(0, GFP_KERNEL); 1967b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch if (!mixer->rc_urb) 1968b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return -ENOMEM; 1969b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_setup_packet = kmalloc(sizeof(*mixer->rc_setup_packet), GFP_KERNEL); 1970b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch if (!mixer->rc_setup_packet) { 1971b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch usb_free_urb(mixer->rc_urb); 1972b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_urb = NULL; 1973b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return -ENOMEM; 1974b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch } 1975b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_setup_packet->bRequestType = 1976b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE; 1977b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_setup_packet->bRequest = GET_MEM; 1978b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_setup_packet->wValue = cpu_to_le16(0); 1979b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_setup_packet->wIndex = cpu_to_le16(0); 1980b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch mixer->rc_setup_packet->wLength = cpu_to_le16(len); 1981b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch usb_fill_control_urb(mixer->rc_urb, mixer->chip->dev, 1982b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch usb_rcvctrlpipe(mixer->chip->dev, 0), 1983b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch (u8*)mixer->rc_setup_packet, mixer->rc_buffer, len, 1984b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch snd_usb_soundblaster_remote_complete, mixer); 1985b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch return 0; 1986b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch} 1987b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 1988a5ce88909d3007caa7b65996a8f6784350beb2a6Takashi Iwai#define snd_audigy2nx_led_info snd_ctl_boolean_mono_info 198993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 199086e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int snd_audigy2nx_led_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 199193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch{ 199293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 199393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch int index = kcontrol->private_value; 199493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 199593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch ucontrol->value.integer.value[0] = mixer->audigy2nx_leds[index]; 199693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return 0; 199793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch} 199893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 199986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) 200093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch{ 200193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 200293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch int index = kcontrol->private_value; 200393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch int value = ucontrol->value.integer.value[0]; 200493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch int err, changed; 200593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 200693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch if (value > 1) 200793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return -EINVAL; 200893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch changed = value != mixer->audigy2nx_leds[index]; 200993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch err = snd_usb_ctl_msg(mixer->chip->dev, 201093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, 201193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 201293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch value, index + 2, NULL, 0, 100); 201393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch if (err < 0) 201493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return err; 201593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch mixer->audigy2nx_leds[index] = value; 201693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return changed; 201793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch} 201893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 201986e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic struct snd_kcontrol_new snd_audigy2nx_controls[] = { 202093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch { 202193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 202293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .name = "CMSS LED Switch", 202393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .info = snd_audigy2nx_led_info, 202493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .get = snd_audigy2nx_led_get, 202593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .put = snd_audigy2nx_led_put, 202693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .private_value = 0, 202793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch }, 202893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch { 202993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 203093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .name = "Power LED Switch", 203193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .info = snd_audigy2nx_led_info, 203293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .get = snd_audigy2nx_led_get, 203393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .put = snd_audigy2nx_led_put, 203493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .private_value = 1, 203593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch }, 203693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch { 203793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 203893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .name = "Dolby Digital LED Switch", 203993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .info = snd_audigy2nx_led_info, 204093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .get = snd_audigy2nx_led_get, 204193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .put = snd_audigy2nx_led_put, 204293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch .private_value = 2, 204393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch }, 204493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch}; 204593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 204693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladischstatic int snd_audigy2nx_controls_create(struct usb_mixer_interface *mixer) 204793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch{ 204893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch int i, err; 204993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 205093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch for (i = 0; i < ARRAY_SIZE(snd_audigy2nx_controls); ++i) { 20513195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia if (i > 1 && /* Live24ext has 2 LEDs only */ 20523195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 20533195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia mixer->chip->usb_id == USB_ID(0x041e, 0x3048))) 205469b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko break; 205593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch err = snd_ctl_add(mixer->chip->card, 205693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch snd_ctl_new1(&snd_audigy2nx_controls[i], mixer)); 205793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch if (err < 0) 205893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return err; 205993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch } 206093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch mixer->audigy2nx_leds[1] = 1; /* Power LED is on by default */ 206193446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return 0; 206293446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch} 206393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 206486e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwaistatic void snd_audigy2nx_proc_read(struct snd_info_entry *entry, 206586e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_info_buffer *buffer) 2066aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch{ 206769b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko static const struct sb_jack { 2068aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch int unitid; 2069aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch const char *name; 207069b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko } jacks_audigy2nx[] = { 2071aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch {4, "dig in "}, 2072aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch {7, "line in"}, 2073aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch {19, "spk out"}, 2074aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch {20, "hph out"}, 207569b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko {-1, NULL} 207669b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko }, jacks_live24ext[] = { 207769b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko {4, "line in"}, /* &1=Line, &2=Mic*/ 207869b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko {3, "hph out"}, /* headphones */ 207969b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko {0, "RC "}, /* last command, 6 bytes see rc_config above */ 208069b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko {-1, NULL} 2081aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch }; 208269b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko const struct sb_jack *jacks; 2083aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch struct usb_mixer_interface *mixer = entry->private_data; 2084aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch int i, err; 2085aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch u8 buf[3]; 2086aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch 2087aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch snd_iprintf(buffer, "%s jacks\n\n", mixer->chip->card->shortname); 208869b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020)) 208969b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko jacks = jacks_audigy2nx; 20903195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia else if (mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 20913195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) 209269b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko jacks = jacks_live24ext; 209369b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko else 209469b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko return; 209569b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko 209669b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko for (i = 0; jacks[i].name; ++i) { 2097aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch snd_iprintf(buffer, "%s: ", jacks[i].name); 2098aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch err = snd_usb_ctl_msg(mixer->chip->dev, 2099aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch usb_rcvctrlpipe(mixer->chip->dev, 0), 2100aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | 2101aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch USB_RECIP_INTERFACE, 0, 2102aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch jacks[i].unitid << 8, buf, 3, 100); 210369b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko if (err == 3 && (buf[0] == 3 || buf[0] == 6)) 2104aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); 2105aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch else 2106aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch snd_iprintf(buffer, "?\n"); 2107aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch } 2108aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch} 2109aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch 2110468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladischstatic int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol, 2111468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch struct snd_ctl_elem_value *ucontrol) 2112468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch{ 2113468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 2114468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 2115468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02); 2116468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch return 0; 2117468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch} 2118468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 2119468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladischstatic int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, 2120468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch struct snd_ctl_elem_value *ucontrol) 2121468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch{ 2122468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol); 2123468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch u8 old_status, new_status; 2124468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch int err, changed; 2125468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 2126468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch old_status = mixer->xonar_u1_status; 2127468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch if (ucontrol->value.integer.value[0]) 2128468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch new_status = old_status | 0x02; 2129468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch else 2130468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch new_status = old_status & ~0x02; 2131468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch changed = new_status != old_status; 2132468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch err = snd_usb_ctl_msg(mixer->chip->dev, 2133468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch usb_sndctrlpipe(mixer->chip->dev, 0), 0x08, 2134468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 2135468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 50, 0, &new_status, 1, 100); 2136468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch if (err < 0) 2137468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch return err; 2138468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch mixer->xonar_u1_status = new_status; 2139468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch return changed; 2140468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch} 2141468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 2142468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladischstatic struct snd_kcontrol_new snd_xonar_u1_output_switch = { 2143468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 2144468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch .name = "Digital Playback Switch", 2145468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch .info = snd_ctl_boolean_mono_info, 2146468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch .get = snd_xonar_u1_switch_get, 2147468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch .put = snd_xonar_u1_switch_put, 2148468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch}; 2149468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 2150468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladischstatic int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer) 2151468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch{ 2152468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch int err; 2153468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 2154468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch err = snd_ctl_add(mixer->chip->card, 2155468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch snd_ctl_new1(&snd_xonar_u1_output_switch, mixer)); 2156468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch if (err < 0) 2157468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch return err; 2158468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch mixer->xonar_u1_status = 0x05; 2159468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch return 0; 2160468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch} 2161468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 21627d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchukvoid snd_emuusb_set_samplerate(struct snd_usb_audio *chip, 21637d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk unsigned char samplerate_id) 21647d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk{ 21657d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk struct usb_mixer_interface *mixer; 21667d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk struct usb_mixer_elem_info *cval; 21677d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk int unitid = 12; /* SamleRate ExtensionUnit ID */ 21687d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk 21697d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk list_for_each_entry(mixer, &chip->mixer_list, list) { 21707d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk cval = mixer->id_elems[unitid]; 21717d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk if (cval) { 21727d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk set_cur_ctl_value(cval, cval->control << 8, samplerate_id); 21737d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk snd_usb_mixer_notify_id(mixer, unitid); 21747d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk } 21757d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk break; 21767d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk } 21777d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk} 21787d2b451e65d255427c108e990507964ac39c13eeSergiy Kovalchuk 21797a9b8063cf7d78d7de4f2555357101087548c699Takashi Iwaiint snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, 21807a9b8063cf7d78d7de4f2555357101087548c699Takashi Iwai int ignore_error) 218184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch{ 218286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai static struct snd_device_ops dev_ops = { 218384957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch .dev_free = snd_usb_mixer_dev_free 218484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch }; 218584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch struct usb_mixer_interface *mixer; 218684957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch int err; 218784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 218884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch strcpy(chip->card->mixername, "USB Mixer"); 218984957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 2190561b220a4dece18d67177413e6fa21b49aa4acceTakashi Iwai mixer = kzalloc(sizeof(*mixer), GFP_KERNEL); 219184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch if (!mixer) 219284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch return -ENOMEM; 219384957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch mixer->chip = chip; 219484957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch mixer->ctrlif = ctrlif; 21957a9b8063cf7d78d7de4f2555357101087548c699Takashi Iwai mixer->ignore_ctl_error = ignore_error; 21966639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL); 21976639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if (!mixer->id_elems) { 21986639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch kfree(mixer); 21996639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch return -ENOMEM; 22006639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch } 220184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 22026639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch if ((err = snd_usb_mixer_controls(mixer)) < 0 || 220393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch (err = snd_usb_mixer_status_create(mixer)) < 0) 220493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch goto _error; 220584957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 220693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch if ((err = snd_usb_soundblaster_remote_init(mixer)) < 0) 220793446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch goto _error; 220893446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 220969b1f1e8337fc94a7ea0730588960e82676dc2dcTimofei Bondarenko if (mixer->chip->usb_id == USB_ID(0x041e, 0x3020) || 22103195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia mixer->chip->usb_id == USB_ID(0x041e, 0x3040) || 22113195954da9cdb1cadb2059921c62e69d376c624fAndrea Borgia mixer->chip->usb_id == USB_ID(0x041e, 0x3048)) { 221286e07d34658bb85b3424f4db64fa28f884edbe8dTakashi Iwai struct snd_info_entry *entry; 2213aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch 221493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch if ((err = snd_audigy2nx_controls_create(mixer)) < 0) 221593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch goto _error; 2216aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch if (!snd_card_proc_new(chip->card, "audigy2nx", &entry)) 2217bf850204a71a97eb5a6afaf27263bb667f9cab0aTakashi Iwai snd_info_set_text_ops(entry, mixer, 2218aafad5629a949d0ad41180f8a746b6cd7654e317Clemens Ladisch snd_audigy2nx_proc_read); 2219b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch } 2220b259b10c420a59a2fdbcf5a3498253ebcbdffa1eClemens Ladisch 2221468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) || 2222468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) { 2223468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch err = snd_xonar_u1_controls_create(mixer); 2224468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch if (err < 0) 2225468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch goto _error; 2226468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch } 2227468b8fde24d49f5b34e9152981824b9d4ecd1a2eClemens Ladisch 222884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops); 222993446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch if (err < 0) 223093446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch goto _error; 223184957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch list_add(&mixer->list, &chip->mixer_list); 223284957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch return 0; 223393446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch 223493446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch_error: 223593446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch snd_usb_mixer_free(mixer); 223693446edcd05589201f20cf8843e8c4f990c18ae4Clemens Ladisch return err; 223784957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch} 223884957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch 223984957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladischvoid snd_usb_mixer_disconnect(struct list_head *p) 224084957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch{ 22416639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch struct usb_mixer_interface *mixer; 22426639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch 22436639b6c2367f884ca172b78d69f7da17bfab2e5eClemens Ladisch mixer = list_entry(p, struct usb_mixer_interface, list); 224468df9de1d0e95034355283dc12056f93de8e0a79Mariusz Kozlowski usb_kill_urb(mixer->urb); 224568df9de1d0e95034355283dc12056f93de8e0a79Mariusz Kozlowski usb_kill_urb(mixer->rc_urb); 224684957a8ab086377a025e0448fa716ed5983f3c3aClemens Ladisch} 2247