iwl-led.c revision 759ef89fb096c4a6ef078d3cfd5682ac037bd789
1ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/****************************************************************************** 2ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 3ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * Copyright(c) 2003 - 2008 Intel Corporation. All rights reserved. 4ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 5ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * This program is free software; you can redistribute it and/or modify it 6ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * under the terms of version 2 of the GNU General Public License as 7ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * published by the Free Software Foundation. 8ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 9ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * This program is distributed in the hope that it will be useful, but WITHOUT 10ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * more details. 13ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 14ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * You should have received a copy of the GNU General Public License along with 15ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * this program; if not, write to the Free Software Foundation, Inc., 16ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA 17ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 18ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * The full GNU General Public License is included in this distribution in the 19ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * file called LICENSE. 20ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 21ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * Contact Information: 22759ef89fb096c4a6ef078d3cfd5682ac037bd789Winkler, Tomas * Intel Linux Wireless <ilw@linux.intel.com> 23ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 24ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * 25ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas *****************************************************************************/ 26ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 27ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 28ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/kernel.h> 29ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/module.h> 30ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/init.h> 31ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/pci.h> 32ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/dma-mapping.h> 33ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/delay.h> 34ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/skbuff.h> 35ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/netdevice.h> 36ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/wireless.h> 37ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <net/mac80211.h> 38ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <linux/etherdevice.h> 39ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include <asm/unaligned.h> 40ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 413e0d4cb12f6fd97193a455b49125398b2231c87cTomas Winkler#include "iwl-dev.h" 42ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include "iwl-core.h" 43fee1247a30e5b3d48fe985b4a935eb6818f3b464Tomas Winkler#include "iwl-io.h" 44ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#include "iwl-helpers.h" 45ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 460eee612731e133604023bfa8d20047e98160845eTomas Winkler#ifdef CONFIG_IWLWIFI_DEBUG 470eee612731e133604023bfa8d20047e98160845eTomas Winklerstatic const char *led_type_str[] = { 480eee612731e133604023bfa8d20047e98160845eTomas Winkler __stringify(IWL_LED_TRG_TX), 490eee612731e133604023bfa8d20047e98160845eTomas Winkler __stringify(IWL_LED_TRG_RX), 500eee612731e133604023bfa8d20047e98160845eTomas Winkler __stringify(IWL_LED_TRG_ASSOC), 510eee612731e133604023bfa8d20047e98160845eTomas Winkler __stringify(IWL_LED_TRG_RADIO), 520eee612731e133604023bfa8d20047e98160845eTomas Winkler NULL 530eee612731e133604023bfa8d20047e98160845eTomas Winkler}; 540eee612731e133604023bfa8d20047e98160845eTomas Winkler#endif /* CONFIG_IWLWIFI_DEBUG */ 550eee612731e133604023bfa8d20047e98160845eTomas Winkler 560eee612731e133604023bfa8d20047e98160845eTomas Winkler 57ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasstatic const struct { 58ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas u16 tpt; 59ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas u8 on_time; 600eee612731e133604023bfa8d20047e98160845eTomas Winkler u8 off_time; 61ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} blink_tbl[] = 62ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 63ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {300, 25, 25}, 64ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {200, 40, 40}, 65ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {100, 55, 55}, 66ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {70, 65, 65}, 67ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {50, 75, 75}, 68ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {20, 85, 85}, 69ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {15, 95, 95 }, 70ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {10, 110, 110}, 71ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas {5, 130, 130}, 72ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler {0, 167, 167}, 73ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler/* SOLID_ON */ 74ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler {-1, IWL_LED_SOLID, 0} 75ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas}; 76ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 77ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler#define IWL_1MB_RATE (128 * 1024) 78ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler#define IWL_LED_THRESHOLD (16) 79ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler#define IWL_MAX_BLINK_TBL (ARRAY_SIZE(blink_tbl) - 1) /* exclude SOLID_ON */ 80ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler#define IWL_SOLID_BLINK_IDX (ARRAY_SIZE(blink_tbl) - 1) 81ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler 82ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler/* [0-256] -> [0..8] FIXME: we need [0..10] */ 83ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winklerstatic inline int iwl_brightness_to_idx(enum led_brightness brightness) 84ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 85ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler return fls(0x000000FF & (u32)brightness); 86ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 87ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 88ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* Send led command */ 89ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winklerstatic int iwl_send_led_cmd(struct iwl_priv *priv, struct iwl_led_cmd *led_cmd) 90ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 91ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas struct iwl_host_cmd cmd = { 92ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .id = REPLY_LEDS_CMD, 93ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler .len = sizeof(struct iwl_led_cmd), 94ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .data = led_cmd, 95ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .meta.flags = CMD_ASYNC, 96ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler .meta.u.callback = NULL, 97ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas }; 98ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas u32 reg; 99ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 1003395f6e9cf48469d7ee05703cad1502002741c16Tomas Winkler reg = iwl_read32(priv, CSR_LED_REG); 101ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (reg != (reg & CSR_LED_BSM_CTRL_MSK)) 1023395f6e9cf48469d7ee05703cad1502002741c16Tomas Winkler iwl_write32(priv, CSR_LED_REG, reg & CSR_LED_BSM_CTRL_MSK); 103ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 104ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return iwl_send_cmd(priv, &cmd); 105ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 106ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 107ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler/* Set led pattern command */ 1083eb2011a67b044859069359948579b942993c416Abhijeet Kolekarstatic int iwl4965_led_pattern(struct iwl_priv *priv, int led_id, 1093eb2011a67b044859069359948579b942993c416Abhijeet Kolekar unsigned int idx) 110ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 111ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler struct iwl_led_cmd led_cmd = { 112ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .id = led_id, 113ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .interval = IWL_DEF_LED_INTRVL 114ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas }; 115ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 116ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler BUG_ON(idx > IWL_MAX_BLINK_TBL); 117ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler 118ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler led_cmd.on = blink_tbl[idx].on_time; 119ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler led_cmd.off = blink_tbl[idx].off_time; 120ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler 121ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return iwl_send_led_cmd(priv, &led_cmd); 122ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 123ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 124ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* Set led register off */ 125ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasstatic int iwl4965_led_on_reg(struct iwl_priv *priv, int led_id) 126ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 127ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas IWL_DEBUG_LED("led on %d\n", led_id); 1283395f6e9cf48469d7ee05703cad1502002741c16Tomas Winkler iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_ON); 129ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return 0; 130ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 131ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 132ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#if 0 133ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler/* Set led on command */ 134ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winklerstatic int iwl4965_led_on(struct iwl_priv *priv, int led_id) 135ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler{ 136ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler struct iwl_led_cmd led_cmd = { 137ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler .id = led_id, 138ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler .on = IWL_LED_SOLID, 139ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler .off = 0, 140ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler .interval = IWL_DEF_LED_INTRVL 141ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler }; 142ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler return iwl_send_led_cmd(priv, &led_cmd); 143ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler} 144ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler 145ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* Set led off command */ 146ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasint iwl4965_led_off(struct iwl_priv *priv, int led_id) 147ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 148ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler struct iwl_led_cmd led_cmd = { 149ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .id = led_id, 150ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .on = 0, 151ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .off = 0, 152ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas .interval = IWL_DEF_LED_INTRVL 153ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas }; 154ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas IWL_DEBUG_LED("led off %d\n", led_id); 155ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return iwl_send_led_cmd(priv, &led_cmd); 156ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 157ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas#endif 158ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 159ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 160ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* Set led register off */ 161ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasstatic int iwl4965_led_off_reg(struct iwl_priv *priv, int led_id) 162ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 163c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer IWL_DEBUG_LED("LED Reg off\n"); 1643395f6e9cf48469d7ee05703cad1502002741c16Tomas Winkler iwl_write32(priv, CSR_LED_REG, CSR_LED_REG_TRUN_OFF); 165ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return 0; 166ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 167ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 168ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* 169c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer * Set led register in case of disassociation according to rfkill state 170c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer */ 171c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummerstatic int iwl_led_associate(struct iwl_priv *priv, int led_id) 172c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer{ 173c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer IWL_DEBUG_LED("Associated\n"); 174c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer priv->allow_blinking = 1; 175c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer return iwl4965_led_on_reg(priv, led_id); 176c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer} 177c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummerstatic int iwl_led_disassociate(struct iwl_priv *priv, int led_id) 178c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer{ 179c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer priv->allow_blinking = 0; 180c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer if (iwl_is_rfkill(priv)) 181c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer iwl4965_led_off_reg(priv, led_id); 182c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer else 183c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer iwl4965_led_on_reg(priv, led_id); 184c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer 185c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer return 0; 186c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer} 187c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer 188c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer/* 189ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * brightness call back function for Tx/Rx LED 190ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas */ 191ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winklerstatic int iwl_led_associated(struct iwl_priv *priv, int led_id) 192ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 193ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (test_bit(STATUS_EXIT_PENDING, &priv->status) || 194ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas !test_bit(STATUS_READY, &priv->status)) 195ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return 0; 196ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 197ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 198ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas /* start counting Tx/Rx bytes */ 199ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (!priv->last_blink_time && priv->allow_blinking) 200ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->last_blink_time = jiffies; 201ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return 0; 202ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 203ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 204ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* 205ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * brightness call back for association and radio 206ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas */ 2070eee612731e133604023bfa8d20047e98160845eTomas Winklerstatic void iwl_led_brightness_set(struct led_classdev *led_cdev, 208ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas enum led_brightness brightness) 209ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 2100eee612731e133604023bfa8d20047e98160845eTomas Winkler struct iwl_led *led = container_of(led_cdev, struct iwl_led, led_dev); 211ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas struct iwl_priv *priv = led->priv; 212ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 213ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (test_bit(STATUS_EXIT_PENDING, &priv->status)) 214ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return; 215ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 2160eee612731e133604023bfa8d20047e98160845eTomas Winkler 2170eee612731e133604023bfa8d20047e98160845eTomas Winkler IWL_DEBUG_LED("Led type = %s brightness = %d\n", 2180eee612731e133604023bfa8d20047e98160845eTomas Winkler led_type_str[led->type], brightness); 219ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas switch (brightness) { 220ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas case LED_FULL: 221ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (led->led_on) 222ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->led_on(priv, IWL_LED_LINK); 223ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas break; 224ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas case LED_OFF: 225ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (led->led_off) 226ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->led_off(priv, IWL_LED_LINK); 227ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas break; 228ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas default: 229ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler if (led->led_pattern) { 230ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler int idx = iwl_brightness_to_idx(brightness); 231ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler led->led_pattern(priv, IWL_LED_LINK, idx); 232ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler } 233ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas break; 234ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas } 235ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 236ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 237ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 238ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 239ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* 240ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * Register led class with the system 241ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas */ 2420eee612731e133604023bfa8d20047e98160845eTomas Winklerstatic int iwl_leds_register_led(struct iwl_priv *priv, struct iwl_led *led, 243ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas enum led_type type, u8 set_led, 2445cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener char *trigger) 245ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 246ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas struct device *device = wiphy_dev(priv->hw->wiphy); 247ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas int ret; 248ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 2495cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener led->led_dev.name = led->name; 2500eee612731e133604023bfa8d20047e98160845eTomas Winkler led->led_dev.brightness_set = iwl_led_brightness_set; 251ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->led_dev.default_trigger = trigger; 252ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 253a571ea4eb34adbf33bbaf4bdc6db6037b1a93e0fTomas Winkler led->priv = priv; 254a571ea4eb34adbf33bbaf4bdc6db6037b1a93e0fTomas Winkler led->type = type; 255a571ea4eb34adbf33bbaf4bdc6db6037b1a93e0fTomas Winkler 256ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas ret = led_classdev_register(device, &led->led_dev); 257ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (ret) { 258ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas IWL_ERROR("Error: failed to register led handler.\n"); 259ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return ret; 260ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas } 261ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 262ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->registered = 1; 263ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 264ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (set_led && led->led_on) 265ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->led_on(priv, IWL_LED_LINK); 266a571ea4eb34adbf33bbaf4bdc6db6037b1a93e0fTomas Winkler 267ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return 0; 268ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 269ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 270ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 271ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* 272ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * calculate blink rate according to last 2 sec Tx/Rx activities 273ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas */ 274ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winklerstatic int iwl_get_blink_rate(struct iwl_priv *priv) 275ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 276ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas int i; 2770eee612731e133604023bfa8d20047e98160845eTomas Winkler u64 current_tpt = priv->tx_stats[2].bytes; 2780eee612731e133604023bfa8d20047e98160845eTomas Winkler /* FIXME: + priv->rx_stats[2].bytes; */ 279ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas s64 tpt = current_tpt - priv->led_tpt; 280ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 281a96a27f97f2bbfc1fca54bc3c0b0d41484152740Tomas Winkler if (tpt < 0) /* wraparound */ 282ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas tpt = -tpt; 283ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 284031211049b71619f7e776521963c082ca453d9fdAndrew Morton IWL_DEBUG_LED("tpt %lld current_tpt %llu\n", 285031211049b71619f7e776521963c082ca453d9fdAndrew Morton (long long)tpt, 286031211049b71619f7e776521963c082ca453d9fdAndrew Morton (unsigned long long)current_tpt); 287ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led_tpt = current_tpt; 288ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 289ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler if (!priv->allow_blinking) 290ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas i = IWL_MAX_BLINK_TBL; 291ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler else 292ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas for (i = 0; i < IWL_MAX_BLINK_TBL; i++) 293ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (tpt > (blink_tbl[i].tpt * IWL_1MB_RATE)) 294ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas break; 295ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 296ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler IWL_DEBUG_LED("LED BLINK IDX=%d", i); 297ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler return i; 298ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 299ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 300ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* 301ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * this function called from handler. Since setting Led command can 302ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * happen very frequent we postpone led command to be called from 303ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas * REPLY handler so we know ucode is up 304ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas */ 305ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasvoid iwl_leds_background(struct iwl_priv *priv) 306ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 307ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler u8 blink_idx; 308ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 309ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (test_bit(STATUS_EXIT_PENDING, &priv->status)) { 310ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->last_blink_time = 0; 311ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return; 312ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas } 313c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer if (iwl_is_rfkill(priv)) { 314ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->last_blink_time = 0; 315ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return; 316ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas } 317ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 318ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (!priv->allow_blinking) { 319ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->last_blink_time = 0; 320ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler if (priv->last_blink_rate != IWL_SOLID_BLINK_IDX) { 321ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler priv->last_blink_rate = IWL_SOLID_BLINK_IDX; 322ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler iwl4965_led_pattern(priv, IWL_LED_LINK, 323ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler IWL_SOLID_BLINK_IDX); 324ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas } 325ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return; 326ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas } 327ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (!priv->last_blink_time || 328ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas !time_after(jiffies, priv->last_blink_time + 329ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas msecs_to_jiffies(1000))) 330ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return; 331ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 332ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler blink_idx = iwl_get_blink_rate(priv); 333ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 334ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas /* call only if blink rate change */ 335ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler if (blink_idx != priv->last_blink_rate) 336ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler iwl4965_led_pattern(priv, IWL_LED_LINK, blink_idx); 337ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 3380eee612731e133604023bfa8d20047e98160845eTomas Winkler priv->last_blink_time = jiffies; 339ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler priv->last_blink_rate = blink_idx; 340ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 341ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed AbbasEXPORT_SYMBOL(iwl_leds_background); 342ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 343ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* Register all led handler */ 344ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasint iwl_leds_register(struct iwl_priv *priv) 345ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 346ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas char *trigger; 347ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas int ret; 348ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 349ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->last_blink_rate = 0; 350ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led_tpt = 0; 351ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->last_blink_time = 0; 352ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->allow_blinking = 0; 353ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 354ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas trigger = ieee80211_get_radio_led_name(priv->hw); 3555cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener snprintf(priv->led[IWL_LED_TRG_RADIO].name, 3565cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener sizeof(priv->led[IWL_LED_TRG_RADIO].name), "iwl-%s:radio", 357ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas wiphy_name(priv->hw->wiphy)); 358ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 359ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led[IWL_LED_TRG_RADIO].led_on = iwl4965_led_on_reg; 360ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led[IWL_LED_TRG_RADIO].led_off = iwl4965_led_off_reg; 361ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led[IWL_LED_TRG_RADIO].led_pattern = NULL; 362ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 3630eee612731e133604023bfa8d20047e98160845eTomas Winkler ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RADIO], 3645cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener IWL_LED_TRG_RADIO, 1, trigger); 365ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (ret) 366ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas goto exit_fail; 367ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 368ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas trigger = ieee80211_get_assoc_led_name(priv->hw); 3695cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener snprintf(priv->led[IWL_LED_TRG_ASSOC].name, 3705cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener sizeof(priv->led[IWL_LED_TRG_ASSOC].name), "iwl-%s:assoc", 371ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas wiphy_name(priv->hw->wiphy)); 372ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 3730eee612731e133604023bfa8d20047e98160845eTomas Winkler ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_ASSOC], 3745cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener IWL_LED_TRG_ASSOC, 0, trigger); 3750eee612731e133604023bfa8d20047e98160845eTomas Winkler 376ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas /* for assoc always turn led on */ 377c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer priv->led[IWL_LED_TRG_ASSOC].led_on = iwl_led_associate; 378c785d1d5018b93878a9280b0c04df96682cc6effEsti Kummer priv->led[IWL_LED_TRG_ASSOC].led_off = iwl_led_disassociate; 379ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led[IWL_LED_TRG_ASSOC].led_pattern = NULL; 380ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 381ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (ret) 382ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas goto exit_fail; 383ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 384ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas trigger = ieee80211_get_rx_led_name(priv->hw); 3855cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener snprintf(priv->led[IWL_LED_TRG_RX].name, 3865cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener sizeof(priv->led[IWL_LED_TRG_RX].name), "iwl-%s:RX", 3875cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener wiphy_name(priv->hw->wiphy)); 388ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 3890eee612731e133604023bfa8d20047e98160845eTomas Winkler ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_RX], 3905cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener IWL_LED_TRG_RX, 0, trigger); 391ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 392ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler priv->led[IWL_LED_TRG_RX].led_on = iwl_led_associated; 393ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler priv->led[IWL_LED_TRG_RX].led_off = iwl_led_associated; 394ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led[IWL_LED_TRG_RX].led_pattern = iwl4965_led_pattern; 395ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 396ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (ret) 397ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas goto exit_fail; 398ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 399ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas trigger = ieee80211_get_tx_led_name(priv->hw); 4005cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener snprintf(priv->led[IWL_LED_TRG_TX].name, 4015cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener sizeof(priv->led[IWL_LED_TRG_TX].name), "iwl-%s:TX", 4025cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener wiphy_name(priv->hw->wiphy)); 4035cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener 4040eee612731e133604023bfa8d20047e98160845eTomas Winkler ret = iwl_leds_register_led(priv, &priv->led[IWL_LED_TRG_TX], 4055cbbb376d65ed181ed290cea505ba37a0425ee25Sven Wegener IWL_LED_TRG_TX, 0, trigger); 4060eee612731e133604023bfa8d20047e98160845eTomas Winkler 407ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler priv->led[IWL_LED_TRG_TX].led_on = iwl_led_associated; 408ec1a746042ea4c1c93065185897d6e8d3e7de894Tomas Winkler priv->led[IWL_LED_TRG_TX].led_off = iwl_led_associated; 409ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas priv->led[IWL_LED_TRG_TX].led_pattern = iwl4965_led_pattern; 410ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 411ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (ret) 412ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas goto exit_fail; 413ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 414ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return 0; 415ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 416ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasexit_fail: 417ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas iwl_leds_unregister(priv); 418ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return ret; 419ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 420ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed AbbasEXPORT_SYMBOL(iwl_leds_register); 421ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 422ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* unregister led class */ 4230eee612731e133604023bfa8d20047e98160845eTomas Winklerstatic void iwl_leds_unregister_led(struct iwl_led *led, u8 set_led) 424ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 425ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (!led->registered) 426ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas return; 427ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 428ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led_classdev_unregister(&led->led_dev); 429ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 430ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas if (set_led) 431ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->led_dev.brightness_set(&led->led_dev, LED_OFF); 432ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas led->registered = 0; 433ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 434ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 435ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas/* Unregister all led handlers */ 436ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbasvoid iwl_leds_unregister(struct iwl_priv *priv) 437ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas{ 438ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_ASSOC], 0); 439ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RX], 0); 440ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_TX], 0); 441ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas iwl_leds_unregister_led(&priv->led[IWL_LED_TRG_RADIO], 1); 442ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas} 443ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed AbbasEXPORT_SYMBOL(iwl_leds_unregister); 444ab53d8af6772b22d4d68b1bcd74f7a5dba693983Mohamed Abbas 445