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2dcf9fb9 GG |
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> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
2dcf9fb9 GG |
15 | #include <linux/init.h> |
16 | #include <linux/device.h> | |
da155d5b | 17 | #include <linux/module.h> |
2dcf9fb9 GG |
18 | #include <sound/core.h> |
19 | #include <sound/pcm.h> | |
20 | #include <sound/initval.h> | |
21 | #include <sound/soc.h> | |
22 | ||
2dcf9fb9 | 23 | #define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000) |
2dcf9fb9 GG |
24 | #define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE) |
25 | ||
f0fba2ad | 26 | static struct snd_soc_dai_driver ads117x_dai = { |
2dcf9fb9 | 27 | /* ADC */ |
f0fba2ad | 28 | .name = "ads117x-hifi", |
2dcf9fb9 GG |
29 | .capture = { |
30 | .stream_name = "Capture", | |
31 | .channels_min = 1, | |
32 | .channels_max = 32, | |
33 | .rates = ADS117X_RATES, | |
34 | .formats = ADS117X_FORMATS,}, | |
35 | }; | |
2dcf9fb9 | 36 | |
f0fba2ad | 37 | static struct snd_soc_codec_driver soc_codec_dev_ads117x; |
2dcf9fb9 | 38 | |
7a79e94e | 39 | static int ads117x_probe(struct platform_device *pdev) |
2dcf9fb9 | 40 | { |
f0fba2ad LG |
41 | return snd_soc_register_codec(&pdev->dev, |
42 | &soc_codec_dev_ads117x, &ads117x_dai, 1); | |
2dcf9fb9 | 43 | } |
2dcf9fb9 | 44 | |
7a79e94e | 45 | static int ads117x_remove(struct platform_device *pdev) |
2dcf9fb9 | 46 | { |
f0fba2ad | 47 | snd_soc_unregister_codec(&pdev->dev); |
f3d0e82f MB |
48 | return 0; |
49 | } | |
50 | ||
51 | static struct platform_driver ads117x_codec_driver = { | |
52 | .driver = { | |
f0fba2ad | 53 | .name = "ads117x-codec", |
f3d0e82f MB |
54 | .owner = THIS_MODULE, |
55 | }, | |
56 | ||
f0fba2ad | 57 | .probe = ads117x_probe, |
7a79e94e | 58 | .remove = ads117x_remove, |
f3d0e82f MB |
59 | }; |
60 | ||
5bbcc3c0 | 61 | module_platform_driver(ads117x_codec_driver); |
2dcf9fb9 GG |
62 | |
63 | MODULE_DESCRIPTION("ASoC ads117x driver"); | |
64 | MODULE_AUTHOR("Graeme Gregory"); | |
65 | MODULE_LICENSE("GPL"); |