Version:  2.6.34 2.6.35 2.6.36 2.6.37 2.6.38 2.6.39 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14

Linux/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 <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 
 26 static const struct snd_soc_dapm_widget ads117x_dapm_widgets[] = {
 27 SND_SOC_DAPM_INPUT("Input1"),
 28 SND_SOC_DAPM_INPUT("Input2"),
 29 SND_SOC_DAPM_INPUT("Input3"),
 30 SND_SOC_DAPM_INPUT("Input4"),
 31 SND_SOC_DAPM_INPUT("Input5"),
 32 SND_SOC_DAPM_INPUT("Input6"),
 33 SND_SOC_DAPM_INPUT("Input7"),
 34 SND_SOC_DAPM_INPUT("Input8"),
 35 };
 36 
 37 static const struct snd_soc_dapm_route ads117x_dapm_routes[] = {
 38         { "Capture", NULL, "Input1" },
 39         { "Capture", NULL, "Input2" },
 40         { "Capture", NULL, "Input3" },
 41         { "Capture", NULL, "Input4" },
 42         { "Capture", NULL, "Input5" },
 43         { "Capture", NULL, "Input6" },
 44         { "Capture", NULL, "Input7" },
 45         { "Capture", NULL, "Input8" },
 46 };
 47 
 48 static struct snd_soc_dai_driver ads117x_dai = {
 49 /* ADC */
 50         .name = "ads117x-hifi",
 51         .capture = {
 52                 .stream_name = "Capture",
 53                 .channels_min = 1,
 54                 .channels_max = 32,
 55                 .rates = ADS117X_RATES,
 56                 .formats = ADS117X_FORMATS,},
 57 };
 58 
 59 static struct snd_soc_codec_driver soc_codec_dev_ads117x = {
 60         .dapm_widgets = ads117x_dapm_widgets,
 61         .num_dapm_widgets = ARRAY_SIZE(ads117x_dapm_widgets),
 62         .dapm_routes = ads117x_dapm_routes,
 63         .num_dapm_routes = ARRAY_SIZE(ads117x_dapm_routes),
 64 };
 65 
 66 static int ads117x_probe(struct platform_device *pdev)
 67 {
 68         return snd_soc_register_codec(&pdev->dev,
 69                         &soc_codec_dev_ads117x, &ads117x_dai, 1);
 70 }
 71 
 72 static int ads117x_remove(struct platform_device *pdev)
 73 {
 74         snd_soc_unregister_codec(&pdev->dev);
 75         return 0;
 76 }
 77 
 78 static struct platform_driver ads117x_codec_driver = {
 79         .driver = {
 80                         .name = "ads117x-codec",
 81                         .owner = THIS_MODULE,
 82         },
 83 
 84         .probe = ads117x_probe,
 85         .remove = ads117x_remove,
 86 };
 87 
 88 module_platform_driver(ads117x_codec_driver);
 89 
 90 MODULE_DESCRIPTION("ASoC ads117x driver");
 91 MODULE_AUTHOR("Graeme Gregory");
 92 MODULE_LICENSE("GPL");
 93 

This page was automatically generated by LXR 0.3.1 (source).  •  Linux is a registered trademark of Linus Torvalds  •  Contact us