1/* 2 * smdk_wm9713.c -- SoC audio for SMDK 3 * 4 * Copyright 2010 Samsung Electronics Co. Ltd. 5 * Author: Jaswinder Singh Brar <jassi.brar@samsung.com> 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License as 9 * published by the Free Software Foundation; either version 2 of the 10 * License, or (at your option) any later version. 11 * 12 */ 13 14#include <sound/soc.h> 15 16static struct snd_soc_card smdk; 17 18/* 19 * Default CFG switch settings to use this driver: 20 * 21 * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off 22 * SMDKC100: Set CFG6 1-3 On, CFG7 1 On 23 * SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On 24 * SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On 25 * SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On 26 */ 27 28/* 29 Playback (HeadPhone):- 30 $ amixer sset 'Headphone' unmute 31 $ amixer sset 'Right Headphone Out Mux' 'Headphone' 32 $ amixer sset 'Left Headphone Out Mux' 'Headphone' 33 $ amixer sset 'Right HP Mixer PCM' unmute 34 $ amixer sset 'Left HP Mixer PCM' unmute 35 36 Capture (LineIn):- 37 $ amixer sset 'Right Capture Source' 'Line' 38 $ amixer sset 'Left Capture Source' 'Line' 39*/ 40 41static struct snd_soc_dai_link smdk_dai = { 42 .name = "AC97", 43 .stream_name = "AC97 PCM", 44 .platform_name = "samsung-audio", 45 .cpu_dai_name = "samsung-ac97", 46 .codec_dai_name = "wm9713-hifi", 47 .codec_name = "wm9713-codec", 48}; 49 50static struct snd_soc_card smdk = { 51 .name = "SMDK WM9713", 52 .dai_link = &smdk_dai, 53 .num_links = 1, 54}; 55 56static struct platform_device *smdk_snd_wm9713_device; 57static struct platform_device *smdk_snd_ac97_device; 58 59static int __init smdk_init(void) 60{ 61 int ret; 62 63 smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1); 64 if (!smdk_snd_wm9713_device) 65 return -ENOMEM; 66 67 ret = platform_device_add(smdk_snd_wm9713_device); 68 if (ret) 69 goto err1; 70 71 smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1); 72 if (!smdk_snd_ac97_device) { 73 ret = -ENOMEM; 74 goto err2; 75 } 76 77 platform_set_drvdata(smdk_snd_ac97_device, &smdk); 78 79 ret = platform_device_add(smdk_snd_ac97_device); 80 if (ret) 81 goto err3; 82 83 return 0; 84 85err3: 86 platform_device_put(smdk_snd_ac97_device); 87err2: 88 platform_device_del(smdk_snd_wm9713_device); 89err1: 90 platform_device_put(smdk_snd_wm9713_device); 91 return ret; 92} 93 94static void __exit smdk_exit(void) 95{ 96 platform_device_unregister(smdk_snd_ac97_device); 97 platform_device_unregister(smdk_snd_wm9713_device); 98} 99 100module_init(smdk_init); 101module_exit(smdk_exit); 102 103/* Module information */ 104MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com"); 105MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713"); 106MODULE_LICENSE("GPL"); 107