/* * smdk_wm9713.c -- SoC audio for SMDK * * Copyright 2010 Samsung Electronics Co. Ltd. * Author: Jaswinder Singh Brar <jassi.brar@samsung.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * */ #include <sound/soc.h> static struct snd_soc_card smdk; /* * Default CFG switch settings to use this driver: * * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off * SMDKC100: Set CFG6 1-3 On, CFG7 1 On * SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On * SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On * SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On */ /* Playback (HeadPhone):- $ amixer sset 'Headphone' unmute $ amixer sset 'Right Headphone Out Mux' 'Headphone' $ amixer sset 'Left Headphone Out Mux' 'Headphone' $ amixer sset 'Right HP Mixer PCM' unmute $ amixer sset 'Left HP Mixer PCM' unmute Capture (LineIn):- $ amixer sset 'Right Capture Source' 'Line' $ amixer sset 'Left Capture Source' 'Line' */ static struct snd_soc_dai_link smdk_dai = { .name = "AC97", .stream_name = "AC97 PCM", .platform_name = "samsung-audio", .cpu_dai_name = "samsung-ac97", .codec_dai_name = "wm9713-hifi", .codec_name = "wm9713-codec", }; static struct snd_soc_card smdk = { .name = "SMDK WM9713", .dai_link = &smdk_dai, .num_links = 1, }; static struct platform_device *smdk_snd_wm9713_device; static struct platform_device *smdk_snd_ac97_device; static int __init smdk_init(void) { int ret; smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1); if (!smdk_snd_wm9713_device) return -ENOMEM; ret = platform_device_add(smdk_snd_wm9713_device); if (ret) goto err1; smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1); if (!smdk_snd_ac97_device) { ret = -ENOMEM; goto err2; } platform_set_drvdata(smdk_snd_ac97_device, &smdk); ret = platform_device_add(smdk_snd_ac97_device); if (ret) goto err3; return 0; err3: platform_device_put(smdk_snd_ac97_device); err2: platform_device_del(smdk_snd_wm9713_device); err1: platform_device_put(smdk_snd_wm9713_device); return ret; } static void __exit smdk_exit(void) { platform_device_unregister(smdk_snd_ac97_device); platform_device_unregister(smdk_snd_wm9713_device); } module_init(smdk_init); module_exit(smdk_exit); /* Module information */ MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com"); MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713"); MODULE_LICENSE("GPL");