Linux Kernel  3.7.1
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wm8782.c
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1 /*
2  * sound/soc/codecs/wm8782.c
3  * simple, strap-pin configured 24bit 2ch ADC
4  *
5  * Copyright: 2011 Raumfeld GmbH
6  * Author: Johannes Stezenbach <[email protected]>
7  *
8  * based on ad73311.c
9  * Copyright: Analog Device Inc.
10  * Author: Cliff Cai <[email protected]>
11  *
12  * This program is free software; you can redistribute it and/or modify it
13  * under the terms of the GNU General Public License as published by the
14  * Free Software Foundation; either version 2 of the License, or (at your
15  * option) any later version.
16  */
17 
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #include <linux/device.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/ac97_codec.h>
26 #include <sound/initval.h>
27 #include <sound/soc.h>
28 
29 static struct snd_soc_dai_driver wm8782_dai = {
30  .name = "wm8782",
31  .capture = {
32  .stream_name = "Capture",
33  .channels_min = 2,
34  .channels_max = 2,
35  /* For configurations with FSAMPEN=0 */
37  .formats = SNDRV_PCM_FMTBIT_S16_LE |
40  },
41 };
42 
43 static struct snd_soc_codec_driver soc_codec_dev_wm8782;
44 
45 static __devinit int wm8782_probe(struct platform_device *pdev)
46 {
47  return snd_soc_register_codec(&pdev->dev,
48  &soc_codec_dev_wm8782, &wm8782_dai, 1);
49 }
50 
51 static int __devexit wm8782_remove(struct platform_device *pdev)
52 {
54  return 0;
55 }
56 
57 static struct platform_driver wm8782_codec_driver = {
58  .driver = {
59  .name = "wm8782",
60  .owner = THIS_MODULE,
61  },
62  .probe = wm8782_probe,
63  .remove = __devexit_p(wm8782_remove),
64 };
65 
66 module_platform_driver(wm8782_codec_driver);
67 
68 MODULE_DESCRIPTION("ASoC WM8782 driver");
69 MODULE_AUTHOR("Johannes Stezenbach <[email protected]>");
70 MODULE_LICENSE("GPL");