diff options
Diffstat (limited to 'sound/soc/codecs/ads117x.c')
-rw-r--r-- | sound/soc/codecs/ads117x.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sound/soc/codecs/ads117x.c b/sound/soc/codecs/ads117x.c new file mode 100644 index 00000000..8103b938 --- /dev/null +++ b/sound/soc/codecs/ads117x.c @@ -0,0 +1,65 @@ +/* + * 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 <linux/module.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), +}; + +module_platform_driver(ads117x_codec_driver); + +MODULE_DESCRIPTION("ASoC ads117x driver"); +MODULE_AUTHOR("Graeme Gregory"); +MODULE_LICENSE("GPL"); |