diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:32:54 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:32:54 -0800 |
commit | 66dc918d42eaaa9afe42a47d07526765162017a9 (patch) | |
tree | 947411841773dfb076f1aa78bc5be868bc4281a6 /sound/soc/codecs/dmic.c | |
parent | b2034d474b7e1e8578bd5c2977024b51693269d9 (diff) | |
parent | 6db9a0f326d3144d790d9479309df480a8f562e4 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (348 commits)
ALSA: hda - Fix NULL-derefence with a single mic in STAC auto-mic detection
ALSA: hda - Add missing NID 0x19 fixup for Sony VAIO
ALSA: hda - Fix ALC275 enable hardware EQ for SONY VAIO
ALSA: oxygen: fix Xonar DG input
ALSA: hda - Fix EAPD on Lenovo NB ALC269 to low
ALSA: hda - Fix missing EAPD for Acer 4930G
ALSA: hda: Disable 4/6 channels on some NVIDIA GPUs.
ALSA: hda - Add static_hdmi_pcm option to HDMI codec parser
ALSA: hda - Don't refer ELD when unplugged
ASoC: tpa6130a2: Fix compiler warning
ASoC: tlv320dac33: Add DAPM selection for LOM invert
ASoC: DMIC codec: Adding a generic DMIC codec
ALSA: snd-usb-us122l: Fix missing NULL checks
ALSA: snd-usb-us122l: Fix MIDI output
ASoC: soc-cache: Fix invalid memory access during snd_soc_lzo_cache_sync()
ASoC: Fix section mismatch in wm8995.c
ALSA: oxygen: add S/PDIF source selection for Claro cards
ALSA: oxygen: fix CD/MIDI for X-Meridian (2G)
ASoC: fix migor audio build
ALSA: include delay.h for msleep in Xonar DG support
...
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 00000000000..57e9dac88d3 --- /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"); |