1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* ads117x.c -- Driver for ads1174/8 ADC chips
*
* Copyright 2009 ShotSpotter Inc.
* Author: Graeme Gregory <gg@slimlogic.co.uk>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/device.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/initval.h>
#include <sound/soc.h>
#define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
#define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
static struct snd_soc_dai_driver ads117x_dai = {
/* ADC */
.name = "ads117x-hifi",
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 32,
.rates = ADS117X_RATES,
.formats = ADS117X_FORMATS,},
};
static struct snd_soc_codec_driver soc_codec_dev_ads117x;
static int ads117x_probe(struct platform_device *pdev)
{
return snd_soc_register_codec(&pdev->dev,
&soc_codec_dev_ads117x, &ads117x_dai, 1);
}
static int ads117x_remove(struct platform_device *pdev)
{
snd_soc_unregister_codec(&pdev->dev);
return 0;
}
static struct platform_driver ads117x_codec_driver = {
.driver = {
.name = "ads117x-codec",
.owner = THIS_MODULE,
},
.probe = ads117x_probe,
.remove = ads117x_remove,
};
module_platform_driver(ads117x_codec_driver);
MODULE_DESCRIPTION("ASoC ads117x driver");
MODULE_AUTHOR("Graeme Gregory");
MODULE_LICENSE("GPL");
|
