diff options
Diffstat (limited to 'sound/soc/samsung/smdk_wm9713.c')
| -rw-r--r-- | sound/soc/samsung/smdk_wm9713.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/sound/soc/samsung/smdk_wm9713.c b/sound/soc/samsung/smdk_wm9713.c new file mode 100644 index 0000000..ae5fed6 --- /dev/null +++ b/sound/soc/samsung/smdk_wm9713.c @@ -0,0 +1,111 @@ +/* + * 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 <linux/module.h> +#include <linux/device.h> +#include <sound/soc.h> + +#include "dma.h" +#include "ac97.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"); |