2 * smdk_wm9713.c -- SoC audio for SMDK
4 * Copyright 2010 Samsung Electronics Co. Ltd.
5 * Author: Jaswinder Singh Brar <jassi.brar@samsung.com>
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.
14 #include <linux/module.h>
15 #include <linux/device.h>
16 #include <sound/soc.h>
21 static struct snd_soc_card smdk;
24 * Default CFG switch settings to use this driver:
26 * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off
27 * SMDKC100: Set CFG6 1-3 On, CFG7 1 On
28 * SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On
29 * SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On
33 Playback (HeadPhone):-
34 $ amixer sset 'Headphone' unmute
35 $ amixer sset 'Right Headphone Out Mux' 'Headphone'
36 $ amixer sset 'Left Headphone Out Mux' 'Headphone'
37 $ amixer sset 'Right HP Mixer PCM' unmute
38 $ amixer sset 'Left HP Mixer PCM' unmute
41 $ amixer sset 'Right Capture Source' 'Line'
42 $ amixer sset 'Left Capture Source' 'Line'
45 static struct snd_soc_dai_link smdk_dai = {
47 .stream_name = "AC97 PCM",
48 .platform_name = "samsung-audio",
49 .cpu_dai_name = "samsung-ac97",
50 .codec_dai_name = "wm9713-hifi",
51 .codec_name = "wm9713-codec",
54 static struct snd_soc_card smdk = {
55 .name = "SMDK WM9713",
56 .dai_link = &smdk_dai,
60 static struct platform_device *smdk_snd_wm9713_device;
61 static struct platform_device *smdk_snd_ac97_device;
63 static int __init smdk_init(void)
67 smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1);
68 if (!smdk_snd_wm9713_device)
71 ret = platform_device_add(smdk_snd_wm9713_device);
75 smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
76 if (!smdk_snd_ac97_device) {
81 platform_set_drvdata(smdk_snd_ac97_device, &smdk);
83 ret = platform_device_add(smdk_snd_ac97_device);
90 platform_device_put(smdk_snd_ac97_device);
92 platform_device_del(smdk_snd_wm9713_device);
94 platform_device_put(smdk_snd_wm9713_device);
98 static void __exit smdk_exit(void)
100 platform_device_unregister(smdk_snd_ac97_device);
101 platform_device_unregister(smdk_snd_wm9713_device);
104 module_init(smdk_init);
105 module_exit(smdk_exit);
107 /* Module information */
108 MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com");
109 MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
110 MODULE_LICENSE("GPL");