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author | Takashi Iwai <tiwai@suse.de> | 2011-01-13 10:37:24 +0300 |
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committer | Takashi Iwai <tiwai@suse.de> | 2011-01-13 10:37:24 +0300 |
commit | 6db9a0f326d3144d790d9479309df480a8f562e4 (patch) | |
tree | 650a8950c35c087278ecee1b8d123f75f601ebc8 /sound/soc/codecs/dmic.c | |
parent | c400c9e23feb5bb3fbe8a8d4581ecce3b19a2f38 (diff) | |
parent | 18b022eb117e7f70c191267551ff865f278a9258 (diff) | |
download | linux-6db9a0f326d3144d790d9479309df480a8f562e4.tar.xz |
Merge branch 'topic/asoc' into for-linus
Diffstat (limited to 'sound/soc/codecs/dmic.c')
-rw-r--r-- | sound/soc/codecs/dmic.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/sound/soc/codecs/dmic.c b/sound/soc/codecs/dmic.c new file mode 100644 index 000000000000..57e9dac88d38 --- /dev/null +++ b/sound/soc/codecs/dmic.c @@ -0,0 +1,81 @@ +/* + * dmic.c -- SoC audio for Generic Digital MICs + * + * Author: Liam Girdwood <lrg@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 + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <sound/soc-dapm.h> + +static struct snd_soc_dai_driver dmic_dai = { + .name = "dmic-hifi", + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 8, + .rates = SNDRV_PCM_RATE_CONTINUOUS, + .formats = SNDRV_PCM_FMTBIT_S32_LE + | SNDRV_PCM_FMTBIT_S24_LE + | SNDRV_PCM_FMTBIT_S16_LE, + }, +}; + +static struct snd_soc_codec_driver soc_dmic = {}; + +static int __devinit dmic_dev_probe(struct platform_device *pdev) +{ + return snd_soc_register_codec(&pdev->dev, + &soc_dmic, &dmic_dai, 1); +} + +static int __devexit dmic_dev_remove(struct platform_device *pdev) +{ + snd_soc_unregister_codec(&pdev->dev); + return 0; +} + +MODULE_ALIAS("platform:dmic-codec"); + +static struct platform_driver dmic_driver = { + .driver = { + .name = "dmic-codec", + .owner = THIS_MODULE, + }, + .probe = dmic_dev_probe, + .remove = __devexit_p(dmic_dev_remove), +}; + +static int __init dmic_init(void) +{ + return platform_driver_register(&dmic_driver); +} +module_init(dmic_init); + +static void __exit dmic_exit(void) +{ + platform_driver_unregister(&dmic_driver); +} +module_exit(dmic_exit); + +MODULE_DESCRIPTION("Generic DMIC driver"); +MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>"); +MODULE_LICENSE("GPL"); |