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