blob: a2a09f85ea9903aba9012ca64e54bff43254c494 [file] [log] [blame]
Johannes Stezenbachec3ea542011-06-22 14:59:25 +02001/*
2 * sound/soc/codecs/wm8782.c
3 * simple, strap-pin configured 24bit 2ch ADC
4 *
5 * Copyright: 2011 Raumfeld GmbH
6 * Author: Johannes Stezenbach <js@sig21.net>
7 *
8 * based on ad73311.c
9 * Copyright: Analog Device Inc.
10 * Author: Cliff Cai <cliff.cai@analog.com>
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
29static 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 */
36 .rates = SNDRV_PCM_RATE_8000_48000,
37 .formats = SNDRV_PCM_FMTBIT_S16_LE |
38 SNDRV_PCM_FMTBIT_S20_3LE |
39 SNDRV_PCM_FMTBIT_S24_LE,
40 },
41};
42
43static struct snd_soc_codec_driver soc_codec_dev_wm8782;
44
45static __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
51static int __devexit wm8782_remove(struct platform_device *pdev)
52{
53 snd_soc_unregister_codec(&pdev->dev);
54 return 0;
55}
56
57static struct platform_driver wm8782_codec_driver = {
58 .driver = {
59 .name = "wm8782",
60 .owner = THIS_MODULE,
61 },
62 .probe = wm8782_probe,
63 .remove = wm8782_remove,
64};
65
66static int __init wm8782_init(void)
67{
68 return platform_driver_register(&wm8782_codec_driver);
69}
70module_init(wm8782_init);
71
72static void __exit wm8782_exit(void)
73{
74 platform_driver_unregister(&wm8782_codec_driver);
75}
76module_exit(wm8782_exit);
77
78MODULE_DESCRIPTION("ASoC WM8782 driver");
79MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");
80MODULE_LICENSE("GPL");