diff options
author | Johannes Stezenbach <js@sig21.net> | 2011-06-22 12:59:25 (GMT) |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-06-22 18:11:02 (GMT) |
commit | ec3ea54c6c7163f5d6bbf52dd1ec485de2c378b6 (patch) | |
tree | 8f7e9ba304f8b2598005f1dfdc711cbe92263cc4 /sound/soc/codecs/wm8782.c | |
parent | c034abf6e5039cbbe691de37903c514c1033bf75 (diff) | |
download | linux-fsl-qoriq-ec3ea54c6c7163f5d6bbf52dd1ec485de2c378b6.tar.xz |
ASoC: add WM8782 ADC Codec Driver
Signed-off-by: Johannes Stezenbach <js@sig21.net>
[zonque@gmail.com: transform to new ASoC structure]
Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/wm8782.c')
-rw-r--r-- | sound/soc/codecs/wm8782.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8782.c b/sound/soc/codecs/wm8782.c new file mode 100644 index 0000000..a2a09f8 --- /dev/null +++ b/sound/soc/codecs/wm8782.c @@ -0,0 +1,80 @@ +/* + * sound/soc/codecs/wm8782.c + * simple, strap-pin configured 24bit 2ch ADC + * + * Copyright: 2011 Raumfeld GmbH + * Author: Johannes Stezenbach <js@sig21.net> + * + * based on ad73311.c + * Copyright: Analog Device Inc. + * Author: Cliff Cai <cliff.cai@analog.com> + * + * 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/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/ac97_codec.h> +#include <sound/initval.h> +#include <sound/soc.h> + +static struct snd_soc_dai_driver wm8782_dai = { + .name = "wm8782", + .capture = { + .stream_name = "Capture", + .channels_min = 2, + .channels_max = 2, + /* For configurations with FSAMPEN=0 */ + .rates = SNDRV_PCM_RATE_8000_48000, + .formats = SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S20_3LE | + SNDRV_PCM_FMTBIT_S24_LE, + }, +}; + +static struct snd_soc_codec_driver soc_codec_dev_wm8782; + +static __devinit int wm8782_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, + &soc_codec_dev_wm8782, &wm8782_dai, 1); +} + +static int __devexit wm8782_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); + return 0; +} + +static struct platform_driver wm8782_codec_driver = { + .driver = { + .name = "wm8782", + .owner = THIS_MODULE, + }, + .probe = wm8782_probe, + .remove = wm8782_remove, +}; + +static int __init wm8782_init(void) +{ + return platform_driver_register(&wm8782_codec_driver); +} +module_init(wm8782_init); + +static void __exit wm8782_exit(void) +{ + platform_driver_unregister(&wm8782_codec_driver); +} +module_exit(wm8782_exit); + +MODULE_DESCRIPTION("ASoC WM8782 driver"); +MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>"); +MODULE_LICENSE("GPL"); |