ASoC: Decouple DAPM from CODECs
[linux-2.6.git] / sound / soc / codecs / ads117x.c
1 /*
2  * ads117x.c  --  Driver for ads1174/8 ADC chips
3  *
4  * Copyright 2009 ShotSpotter Inc.
5  * Author: Graeme Gregory <gg@slimlogic.co.uk>
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/kernel.h>
14 #include <linux/slab.h>
15 #include <linux/init.h>
16 #include <linux/device.h>
17 #include <sound/core.h>
18 #include <sound/pcm.h>
19 #include <sound/initval.h>
20 #include <sound/soc.h>
21
22 #define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
23 #define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
24
25 static struct snd_soc_dai_driver ads117x_dai = {
26 /* ADC */
27         .name = "ads117x-hifi",
28         .capture = {
29                 .stream_name = "Capture",
30                 .channels_min = 1,
31                 .channels_max = 32,
32                 .rates = ADS117X_RATES,
33                 .formats = ADS117X_FORMATS,},
34 };
35
36 static struct snd_soc_codec_driver soc_codec_dev_ads117x;
37
38 static __devinit int ads117x_probe(struct platform_device *pdev)
39 {
40         return snd_soc_register_codec(&pdev->dev,
41                         &soc_codec_dev_ads117x, &ads117x_dai, 1);
42 }
43
44 static int __devexit ads117x_remove(struct platform_device *pdev)
45 {
46         snd_soc_unregister_codec(&pdev->dev);
47         return 0;
48 }
49
50 static struct platform_driver ads117x_codec_driver = {
51         .driver = {
52                         .name = "ads117x-codec",
53                         .owner = THIS_MODULE,
54         },
55
56         .probe = ads117x_probe,
57         .remove = __devexit_p(ads117x_remove),
58 };
59
60 static int __init ads117x_init(void)
61 {
62         return platform_driver_register(&ads117x_codec_driver);
63 }
64 module_init(ads117x_init);
65
66 static void __exit ads117x_exit(void)
67 {
68         platform_driver_unregister(&ads117x_codec_driver);
69 }
70 module_exit(ads117x_exit);
71
72 MODULE_DESCRIPTION("ASoC ads117x driver");
73 MODULE_AUTHOR("Graeme Gregory");
74 MODULE_LICENSE("GPL");