xref: /openbmc/linux/sound/soc/codecs/ad73311.c (revision 4800cd83)
1 /*
2  * ad73311.c  --  ALSA Soc AD73311 codec support
3  *
4  * Copyright:	Analog Device Inc.
5  * Author:	Cliff Cai <cliff.cai@analog.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/init.h>
14 #include <linux/slab.h>
15 #include <linux/module.h>
16 #include <linux/kernel.h>
17 #include <linux/device.h>
18 #include <sound/core.h>
19 #include <sound/pcm.h>
20 #include <sound/ac97_codec.h>
21 #include <sound/initval.h>
22 #include <sound/soc.h>
23 
24 #include "ad73311.h"
25 
26 static struct snd_soc_dai_driver ad73311_dai = {
27 	.name = "ad73311-hifi",
28 	.playback = {
29 		.stream_name = "Playback",
30 		.channels_min = 1,
31 		.channels_max = 1,
32 		.rates = SNDRV_PCM_RATE_8000,
33 		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
34 	.capture = {
35 		.stream_name = "Capture",
36 		.channels_min = 1,
37 		.channels_max = 1,
38 		.rates = SNDRV_PCM_RATE_8000,
39 		.formats = SNDRV_PCM_FMTBIT_S16_LE, },
40 };
41 
42 static struct snd_soc_codec_driver soc_codec_dev_ad73311;
43 
44 static int ad73311_probe(struct platform_device *pdev)
45 {
46 	return snd_soc_register_codec(&pdev->dev,
47 			&soc_codec_dev_ad73311, &ad73311_dai, 1);
48 }
49 
50 static int __devexit ad73311_remove(struct platform_device *pdev)
51 {
52 	snd_soc_unregister_codec(&pdev->dev);
53 	return 0;
54 }
55 
56 static struct platform_driver ad73311_codec_driver = {
57 	.driver = {
58 			.name = "ad73311-codec",
59 			.owner = THIS_MODULE,
60 	},
61 
62 	.probe = ad73311_probe,
63 	.remove = __devexit_p(ad73311_remove),
64 };
65 
66 static int __init ad73311_init(void)
67 {
68 	return platform_driver_register(&ad73311_codec_driver);
69 }
70 module_init(ad73311_init);
71 
72 static void __exit ad73311_exit(void)
73 {
74 	platform_driver_unregister(&ad73311_codec_driver);
75 }
76 module_exit(ad73311_exit);
77 
78 MODULE_DESCRIPTION("ASoC ad73311 driver");
79 MODULE_AUTHOR("Cliff Cai ");
80 MODULE_LICENSE("GPL");
81