blob: 8092495605ce3ff147c762d452963f2d8f41c3b8 [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
Mark Brown226059e2013-08-18 18:36:06 +010029static const struct snd_soc_dapm_widget wm8782_dapm_widgets[] = {
30SND_SOC_DAPM_INPUT("AINL"),
31SND_SOC_DAPM_INPUT("AINR"),
32};
33
34static const struct snd_soc_dapm_route wm8782_dapm_routes[] = {
35 { "Capture", NULL, "AINL" },
36 { "Capture", NULL, "AINR" },
37};
38
Johannes Stezenbachec3ea542011-06-22 14:59:25 +020039static struct snd_soc_dai_driver wm8782_dai = {
40 .name = "wm8782",
41 .capture = {
42 .stream_name = "Capture",
43 .channels_min = 2,
44 .channels_max = 2,
45 /* For configurations with FSAMPEN=0 */
46 .rates = SNDRV_PCM_RATE_8000_48000,
47 .formats = SNDRV_PCM_FMTBIT_S16_LE |
48 SNDRV_PCM_FMTBIT_S20_3LE |
49 SNDRV_PCM_FMTBIT_S24_LE,
50 },
51};
52
Mark Brown226059e2013-08-18 18:36:06 +010053static struct snd_soc_codec_driver soc_codec_dev_wm8782 = {
54 .dapm_widgets = wm8782_dapm_widgets,
55 .num_dapm_widgets = ARRAY_SIZE(wm8782_dapm_widgets),
56 .dapm_routes = wm8782_dapm_routes,
57 .num_dapm_routes = ARRAY_SIZE(wm8782_dapm_routes),
58};
Johannes Stezenbachec3ea542011-06-22 14:59:25 +020059
Bill Pemberton7a79e942012-12-07 09:26:37 -050060static int wm8782_probe(struct platform_device *pdev)
Johannes Stezenbachec3ea542011-06-22 14:59:25 +020061{
62 return snd_soc_register_codec(&pdev->dev,
63 &soc_codec_dev_wm8782, &wm8782_dai, 1);
64}
65
Bill Pemberton7a79e942012-12-07 09:26:37 -050066static int wm8782_remove(struct platform_device *pdev)
Johannes Stezenbachec3ea542011-06-22 14:59:25 +020067{
68 snd_soc_unregister_codec(&pdev->dev);
69 return 0;
70}
71
72static struct platform_driver wm8782_codec_driver = {
73 .driver = {
74 .name = "wm8782",
75 .owner = THIS_MODULE,
76 },
77 .probe = wm8782_probe,
Bill Pemberton7a79e942012-12-07 09:26:37 -050078 .remove = wm8782_remove,
Johannes Stezenbachec3ea542011-06-22 14:59:25 +020079};
80
Mark Brown5bbcc3c2011-11-23 22:52:08 +000081module_platform_driver(wm8782_codec_driver);
Johannes Stezenbachec3ea542011-06-22 14:59:25 +020082
83MODULE_DESCRIPTION("ASoC WM8782 driver");
84MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>");
85MODULE_LICENSE("GPL");