projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | |
| f0fba2ad | 39 | static __devinit 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 | |
| f0fba2ad | 45 | static int __devexit 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 LG |
57 | .probe = ads117x_probe, |
| 58 | .remove = __devexit_p(ads117x_remove), | |
| f3d0e82f MB |
59 | }; |
| 60 | ||
| 61 | static int __init ads117x_init(void) | |
| 62 | { | |
| 63 | return platform_driver_register(&ads117x_codec_driver); | |
| 64 | } | |
| 65 | module_init(ads117x_init); | |
| 66 | ||
| 67 | static void __exit ads117x_exit(void) | |
| 68 | { | |
| 69 | platform_driver_unregister(&ads117x_codec_driver); | |
| 2dcf9fb9 GG |
70 | } |
| 71 | module_exit(ads117x_exit); | |
| 72 | ||
| 73 | MODULE_DESCRIPTION("ASoC ads117x driver"); | |
| 74 | MODULE_AUTHOR("Graeme Gregory"); | |
| 75 | MODULE_LICENSE("GPL"); |