75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/*
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* ads117x.c -- Driver for ads1174/8 ADC chips
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*
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* Copyright 2009 ShotSpotter Inc.
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* Author: Graeme Gregory <gg@slimlogic.co.uk>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/initval.h>
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#include <sound/soc.h>
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#define ADS117X_RATES (SNDRV_PCM_RATE_8000_48000)
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#define ADS117X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
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static struct snd_soc_dai_driver ads117x_dai = {
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/* ADC */
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.name = "ads117x-hifi",
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.capture = {
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.stream_name = "Capture",
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.channels_min = 1,
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.channels_max = 32,
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.rates = ADS117X_RATES,
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.formats = ADS117X_FORMATS,},
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};
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static struct snd_soc_codec_driver soc_codec_dev_ads117x;
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static __devinit int ads117x_probe(struct platform_device *pdev)
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{
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return snd_soc_register_codec(&pdev->dev,
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&soc_codec_dev_ads117x, &ads117x_dai, 1);
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}
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static int __devexit ads117x_remove(struct platform_device *pdev)
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{
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snd_soc_unregister_codec(&pdev->dev);
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return 0;
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}
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static struct platform_driver ads117x_codec_driver = {
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.driver = {
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.name = "ads117x-codec",
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.owner = THIS_MODULE,
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},
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.probe = ads117x_probe,
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.remove = __devexit_p(ads117x_remove),
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};
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static int __init ads117x_init(void)
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{
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return platform_driver_register(&ads117x_codec_driver);
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}
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module_init(ads117x_init);
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static void __exit ads117x_exit(void)
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{
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platform_driver_unregister(&ads117x_codec_driver);
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}
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module_exit(ads117x_exit);
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MODULE_DESCRIPTION("ASoC ads117x driver");
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MODULE_AUTHOR("Graeme Gregory");
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MODULE_LICENSE("GPL");
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