9b24ed466ab13bc079d94d081152fb0b26bccea8
[linux-2.6.git] / sound / soc / sh / fsi-da7210.c
1 /*
2  * fsi-da7210.c
3  *
4  * Copyright (C) 2009 Renesas Solutions Corp.
5  * Kuninori Morimoto <morimoto.kuninori@renesas.com>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  */
12
13 #include <linux/platform_device.h>
14 #include <sound/sh_fsi.h>
15
16 static int fsi_da7210_init(struct snd_soc_pcm_runtime *rtd)
17 {
18         struct snd_soc_dai *codec = rtd->codec_dai;
19         struct snd_soc_dai *cpu = rtd->cpu_dai;
20         int ret;
21
22         ret = snd_soc_dai_set_fmt(codec,
23                                    SND_SOC_DAIFMT_I2S |
24                                    SND_SOC_DAIFMT_CBM_CFM);
25         if (ret < 0)
26                 return ret;
27
28         ret = snd_soc_dai_set_fmt(cpu, SND_SOC_DAIFMT_CBS_CFS);
29
30         return ret;
31 }
32
33 static struct snd_soc_dai_link fsi_da7210_dai = {
34         .name           = "DA7210",
35         .stream_name    = "DA7210",
36         .cpu_dai_name   = "fsib-dai", /* FSI B */
37         .codec_dai_name = "da7210-hifi",
38         .platform_name  = "sh_fsi.0",
39         .codec_name     = "da7210-codec.0-001a",
40         .init           = fsi_da7210_init,
41 };
42
43 static struct snd_soc_card fsi_soc_card = {
44         .name           = "FSI (DA7210)",
45         .dai_link       = &fsi_da7210_dai,
46         .num_links      = 1,
47 };
48
49 static struct platform_device *fsi_da7210_snd_device;
50
51 static int __init fsi_da7210_sound_init(void)
52 {
53         int ret;
54
55         fsi_da7210_snd_device = platform_device_alloc("soc-audio", FSI_PORT_B);
56         if (!fsi_da7210_snd_device)
57                 return -ENOMEM;
58
59         platform_set_drvdata(fsi_da7210_snd_device, &fsi_soc_card);
60         ret = platform_device_add(fsi_da7210_snd_device);
61         if (ret)
62                 platform_device_put(fsi_da7210_snd_device);
63
64         return ret;
65 }
66
67 static void __exit fsi_da7210_sound_exit(void)
68 {
69         platform_device_unregister(fsi_da7210_snd_device);
70 }
71
72 module_init(fsi_da7210_sound_init);
73 module_exit(fsi_da7210_sound_exit);
74
75 /* Module information */
76 MODULE_DESCRIPTION("ALSA SoC FSI DA2710");
77 MODULE_AUTHOR("Kuninori Morimoto <morimoto.kuninori@renesas.com>");
78 MODULE_LICENSE("GPL");