projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a710770e DL |
1 | /* |
| 2 | * dmic.c -- SoC audio for Generic Digital MICs | |
| 3 | * | |
| 4 | * Author: Liam Girdwood <lrg@slimlogic.co.uk> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or | |
| 7 | * modify it under the terms of the GNU General Public License | |
| 8 | * version 2 as published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * This program is distributed in the hope that it will be useful, but | |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 | * General Public License for more details. | |
| 14 | * | |
| 15 | * You should have received a copy of the GNU General Public License | |
| 16 | * along with this program; if not, write to the Free Software | |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
| 18 | * 02110-1301 USA | |
| 19 | * | |
| 20 | */ | |
| 21 | ||
| 22 | #include <linux/platform_device.h> | |
| 23 | #include <linux/slab.h> | |
| 24 | #include <sound/core.h> | |
| 25 | #include <sound/pcm.h> | |
| 26 | #include <sound/soc.h> | |
| 27 | #include <sound/soc-dapm.h> | |
| 28 | ||
| 29 | static struct snd_soc_dai_driver dmic_dai = { | |
| 30 | .name = "dmic-hifi", | |
| 31 | .capture = { | |
| 32 | .stream_name = "Capture", | |
| 33 | .channels_min = 1, | |
| 34 | .channels_max = 8, | |
| 35 | .rates = SNDRV_PCM_RATE_CONTINUOUS, | |
| 36 | .formats = SNDRV_PCM_FMTBIT_S32_LE | |
| 37 | | SNDRV_PCM_FMTBIT_S24_LE | |
| 38 | | SNDRV_PCM_FMTBIT_S16_LE, | |
| 39 | }, | |
| 40 | }; | |
| 41 | ||
| 42 | static struct snd_soc_codec_driver soc_dmic = {}; | |
| 43 | ||
| 44 | static int __devinit dmic_dev_probe(struct platform_device *pdev) | |
| 45 | { | |
| 46 | return snd_soc_register_codec(&pdev->dev, | |
| 47 | &soc_dmic, &dmic_dai, 1); | |
| 48 | } | |
| 49 | ||
| 50 | static int __devexit dmic_dev_remove(struct platform_device *pdev) | |
| 51 | { | |
| 52 | snd_soc_unregister_codec(&pdev->dev); | |
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | MODULE_ALIAS("platform:dmic-codec"); | |
| 57 | ||
| 58 | static struct platform_driver dmic_driver = { | |
| 59 | .driver = { | |
| 60 | .name = "dmic-codec", | |
| 61 | .owner = THIS_MODULE, | |
| 62 | }, | |
| 63 | .probe = dmic_dev_probe, | |
| 64 | .remove = __devexit_p(dmic_dev_remove), | |
| 65 | }; | |
| 66 | ||
| 67 | static int __init dmic_init(void) | |
| 68 | { | |
| 69 | return platform_driver_register(&dmic_driver); | |
| 70 | } | |
| 71 | module_init(dmic_init); | |
| 72 | ||
| 73 | static void __exit dmic_exit(void) | |
| 74 | { | |
| 75 | platform_driver_unregister(&dmic_driver); | |
| 76 | } | |
| 77 | module_exit(dmic_exit); | |
| 78 | ||
| 79 | MODULE_DESCRIPTION("Generic DMIC driver"); | |
| 80 | MODULE_AUTHOR("Liam Girdwood <lrg@slimlogic.co.uk>"); | |
| 81 | MODULE_LICENSE("GPL"); |