This patch contains scripts to decrease the time taken for
[kvmfornfv.git] / kernel / sound / soc / samsung / smdk_wm9713.c
1 /*
2  * smdk_wm9713.c  --  SoC audio for SMDK
3  *
4  * Copyright 2010 Samsung Electronics Co. Ltd.
5  * Author: Jaswinder Singh Brar <jassisinghbrar@gmail.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 <sound/soc.h>
16
17 static struct snd_soc_card smdk;
18
19 /*
20  * Default CFG switch settings to use this driver:
21  *
22  *   SMDK6410: Set CFG1 1-3 On, CFG2 1-4 Off
23  *   SMDKC100: Set CFG6 1-3 On, CFG7 1   On
24  *   SMDKC110: Set CFGB10 1-2 Off, CFGB12 1-3 On
25  *   SMDKV210: Set CFGB10 1-2 Off, CFGB12 1-3 On
26  *   SMDKV310: Set CFG2 1-2 Off, CFG4 All On, CFG7 All Off, CFG8 1-On
27  */
28
29 /*
30  Playback (HeadPhone):-
31         $ amixer sset 'Headphone' unmute
32         $ amixer sset 'Right Headphone Out Mux' 'Headphone'
33         $ amixer sset 'Left Headphone Out Mux' 'Headphone'
34         $ amixer sset 'Right HP Mixer PCM' unmute
35         $ amixer sset 'Left HP Mixer PCM' unmute
36
37  Capture (LineIn):-
38         $ amixer sset 'Right Capture Source' 'Line'
39         $ amixer sset 'Left Capture Source' 'Line'
40 */
41
42 static struct snd_soc_dai_link smdk_dai = {
43         .name = "AC97",
44         .stream_name = "AC97 PCM",
45         .platform_name = "samsung-ac97",
46         .cpu_dai_name = "samsung-ac97",
47         .codec_dai_name = "wm9713-hifi",
48         .codec_name = "wm9713-codec",
49 };
50
51 static struct snd_soc_card smdk = {
52         .name = "SMDK WM9713",
53         .owner = THIS_MODULE,
54         .dai_link = &smdk_dai,
55         .num_links = 1,
56 };
57
58 static struct platform_device *smdk_snd_wm9713_device;
59 static struct platform_device *smdk_snd_ac97_device;
60
61 static int __init smdk_init(void)
62 {
63         int ret;
64
65         smdk_snd_wm9713_device = platform_device_alloc("wm9713-codec", -1);
66         if (!smdk_snd_wm9713_device)
67                 return -ENOMEM;
68
69         ret = platform_device_add(smdk_snd_wm9713_device);
70         if (ret)
71                 goto err1;
72
73         smdk_snd_ac97_device = platform_device_alloc("soc-audio", -1);
74         if (!smdk_snd_ac97_device) {
75                 ret = -ENOMEM;
76                 goto err2;
77         }
78
79         platform_set_drvdata(smdk_snd_ac97_device, &smdk);
80
81         ret = platform_device_add(smdk_snd_ac97_device);
82         if (ret)
83                 goto err3;
84
85         return 0;
86
87 err3:
88         platform_device_put(smdk_snd_ac97_device);
89 err2:
90         platform_device_del(smdk_snd_wm9713_device);
91 err1:
92         platform_device_put(smdk_snd_wm9713_device);
93         return ret;
94 }
95
96 static void __exit smdk_exit(void)
97 {
98         platform_device_unregister(smdk_snd_ac97_device);
99         platform_device_unregister(smdk_snd_wm9713_device);
100 }
101
102 module_init(smdk_init);
103 module_exit(smdk_exit);
104
105 /* Module information */
106 MODULE_AUTHOR("Jaswinder Singh Brar, jassisinghbrar@gmail.com");
107 MODULE_DESCRIPTION("ALSA SoC SMDK+WM9713");
108 MODULE_LICENSE("GPL");