Version:  2.0.40 2.2.26 2.4.37 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6

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 #include <linux/of.h>
 24 
 25 #define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
 26 #define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
 27 
 28 static const struct snd_soc_dapm_widget ads117x_dapm_widgets[] = {
 29 SND_SOC_DAPM_INPUT("Input1"),
 30 SND_SOC_DAPM_INPUT("Input2"),
 31 SND_SOC_DAPM_INPUT("Input3"),
 32 SND_SOC_DAPM_INPUT("Input4"),
 33 SND_SOC_DAPM_INPUT("Input5"),
 34 SND_SOC_DAPM_INPUT("Input6"),
 35 SND_SOC_DAPM_INPUT("Input7"),
 36 SND_SOC_DAPM_INPUT("Input8"),
 37 };
 38 
 39 static const struct snd_soc_dapm_route ads117x_dapm_routes[] = {
 40         { "Capture", NULL, "Input1" },
 41         { "Capture", NULL, "Input2" },
 42         { "Capture", NULL, "Input3" },
 43         { "Capture", NULL, "Input4" },
 44         { "Capture", NULL, "Input5" },
 45         { "Capture", NULL, "Input6" },
 46         { "Capture", NULL, "Input7" },
 47         { "Capture", NULL, "Input8" },
 48 };
 49 
 50 static struct snd_soc_dai_driver ads117x_dai = {
 51 /* ADC */
 52         .name = "ads117x-hifi",
 53         .capture = {
 54                 .stream_name = "Capture",
 55                 .channels_min = 1,
 56                 .channels_max = 32,
 57                 .rates = ADS117X_RATES,
 58                 .formats = ADS117X_FORMATS,},
 59 };
 60 
 61 static struct snd_soc_codec_driver soc_codec_dev_ads117x = {
 62         .dapm_widgets = ads117x_dapm_widgets,
 63         .num_dapm_widgets = ARRAY_SIZE(ads117x_dapm_widgets),
 64         .dapm_routes = ads117x_dapm_routes,
 65         .num_dapm_routes = ARRAY_SIZE(ads117x_dapm_routes),
 66 };
 67 
 68 static int ads117x_probe(struct platform_device *pdev)
 69 {
 70         return snd_soc_register_codec(&pdev->dev,
 71                         &soc_codec_dev_ads117x, &ads117x_dai, 1);
 72 }
 73 
 74 static int ads117x_remove(struct platform_device *pdev)
 75 {
 76         snd_soc_unregister_codec(&pdev->dev);
 77         return 0;
 78 }
 79 
 80 #if defined(CONFIG_OF)
 81 static const struct of_device_id ads117x_dt_ids[] = {
 82         { .compatible = "ti,ads1174" },
 83         { .compatible = "ti,ads1178" },
 84         { },
 85 };
 86 MODULE_DEVICE_TABLE(of, ads117x_dt_ids);
 87 #endif
 88 
 89 static struct platform_driver ads117x_codec_driver = {
 90         .driver = {
 91                         .name = "ads117x-codec",
 92                         .of_match_table = of_match_ptr(ads117x_dt_ids),
 93         },
 94 
 95         .probe = ads117x_probe,
 96         .remove = ads117x_remove,
 97 };
 98 
 99 module_platform_driver(ads117x_codec_driver);
100 
101 MODULE_DESCRIPTION("ASoC ads117x driver");
102 MODULE_AUTHOR("Graeme Gregory");
103 MODULE_LICENSE("GPL");
104 

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