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Diffstat (limited to 'sound/soc/s3c24xx/smdk_wm9713.c')
-rw-r--r--sound/soc/s3c24xx/smdk_wm9713.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/smdk_wm9713.c b/sound/soc/s3c24xx/smdk_wm9713.c
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+++ b/sound/soc/s3c24xx/smdk_wm9713.c
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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 <linux/module.h>
15#include <linux/device.h>
16#include <sound/soc.h>
17
18#include "../codecs/wm9713.h"
19#include "s3c-dma.h"
20#include "s3c-ac97.h"
21
22static struct snd_soc_card smdk;
23
24/*
25 * Default CFG switch settings to use this driver:
26 *
27 * SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off
28 */
29
30/*
31 Playback (HeadPhone):-
32 $ amixer sset 'Headphone' unmute
33 $ amixer sset 'Right Headphone Out Mux' 'Headphone'
34 $ amixer sset 'Left Headphone Out Mux' 'Headphone'
35 $ amixer sset 'Right HP Mixer PCM' unmute
36 $ amixer sset 'Left HP Mixer PCM' unmute
37
38 Capture (LineIn):-
39 $ amixer sset 'Right Capture Source' 'Line'
40 $ amixer sset 'Left Capture Source' 'Line'
41*/
42
43static struct snd_soc_dai_link smdk_dai = {
44 .name = "AC97",
45 .stream_name = "AC97 PCM",
46 .cpu_dai = &s3c_ac97_dai[S3C_AC97_DAI_PCM],
47 .codec_dai = &wm9713_dai[WM9713_DAI_AC97_HIFI],
48};
49
50static struct snd_soc_card smdk = {
51 .name = "SMDK",
52 .platform = &s3c24xx_soc_platform,
53 .dai_link = &smdk_dai,
54 .num_links = 1,
55};
56
57static struct snd_soc_device smdk_snd_ac97_devdata = {
58 .card = &smdk,
59 .codec_dev = &soc_codec_dev_wm9713,
60};
61
62static struct platform_device *smdk_snd_ac97_device;
63
64static int __init smdk_init(void)
65{
66 int ret;
67
68 smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
69 if (!smdk_snd_ac97_device)
70 return -ENOMEM;
71
72 platform_set_drvdata(smdk_snd_ac97_device,
73 &smdk_snd_ac97_devdata);
74 smdk_snd_ac97_devdata.dev = &smdk_snd_ac97_device->dev;
75
76 ret = platform_device_add(smdk_snd_ac97_device);
77 if (ret)
78 platform_device_put(smdk_snd_ac97_device);
79
80 return ret;
81}
82
83static void __exit smdk_exit(void)
84{
85 platform_device_unregister(smdk_snd_ac97_device);
86}
87
88module_init(smdk_init);
89module_exit(smdk_exit);
90
91/* Module information */
92MODULE_AUTHOR("Jaswinder Singh Brar, jassi.brar@samsung.com");
93MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
94MODULE_LICENSE("GPL");