tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 <linux/module.h>
18#include <sound/core.h>
19#include <sound/pcm.h>
20#include <sound/initval.h>
21#include <sound/soc.h>
22
23#define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
24#define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
25
26static struct snd_soc_dai_driver ads117x_dai = {
27/* ADC */
28 .name = "ads117x-hifi",
29 .capture = {
30 .stream_name = "Capture",
31 .channels_min = 1,
32 .channels_max = 32,
33 .rates = ADS117X_RATES,
34 .formats = ADS117X_FORMATS,},
35};
36
37static struct snd_soc_codec_driver soc_codec_dev_ads117x;
38
39static int ads117x_probe(struct platform_device *pdev)
40{
41 return snd_soc_register_codec(&pdev->dev,
42 &soc_codec_dev_ads117x, &ads117x_dai, 1);
43}
44
45static int ads117x_remove(struct platform_device *pdev)
46{
47 snd_soc_unregister_codec(&pdev->dev);
48 return 0;
49}
50
51static struct platform_driver ads117x_codec_driver = {
52 .driver = {
53 .name = "ads117x-codec",
54 .owner = THIS_MODULE,
55 },
56
57 .probe = ads117x_probe,
58 .remove = ads117x_remove,
59};
60
61module_platform_driver(ads117x_codec_driver);
62
63MODULE_DESCRIPTION("ASoC ads117x driver");
64MODULE_AUTHOR("Graeme Gregory");
65MODULE_LICENSE("GPL");