Johannes Stezenbach | ec3ea54 | 2011-06-22 14:59:25 +0200 | [diff] [blame] | 1 | /* |
| 2 | * sound/soc/codecs/wm8782.c |
| 3 | * simple, strap-pin configured 24bit 2ch ADC |
| 4 | * |
| 5 | * Copyright: 2011 Raumfeld GmbH |
| 6 | * Author: Johannes Stezenbach <js@sig21.net> |
| 7 | * |
| 8 | * based on ad73311.c |
| 9 | * Copyright: Analog Device Inc. |
| 10 | * Author: Cliff Cai <cliff.cai@analog.com> |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify it |
| 13 | * under the terms of the GNU General Public License as published by the |
| 14 | * Free Software Foundation; either version 2 of the License, or (at your |
| 15 | * option) any later version. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/kernel.h> |
| 22 | #include <linux/device.h> |
| 23 | #include <sound/core.h> |
| 24 | #include <sound/pcm.h> |
| 25 | #include <sound/ac97_codec.h> |
| 26 | #include <sound/initval.h> |
| 27 | #include <sound/soc.h> |
| 28 | |
| 29 | static struct snd_soc_dai_driver wm8782_dai = { |
| 30 | .name = "wm8782", |
| 31 | .capture = { |
| 32 | .stream_name = "Capture", |
| 33 | .channels_min = 2, |
| 34 | .channels_max = 2, |
| 35 | /* For configurations with FSAMPEN=0 */ |
| 36 | .rates = SNDRV_PCM_RATE_8000_48000, |
| 37 | .formats = SNDRV_PCM_FMTBIT_S16_LE | |
| 38 | SNDRV_PCM_FMTBIT_S20_3LE | |
| 39 | SNDRV_PCM_FMTBIT_S24_LE, |
| 40 | }, |
| 41 | }; |
| 42 | |
| 43 | static struct snd_soc_codec_driver soc_codec_dev_wm8782; |
| 44 | |
| 45 | static __devinit int wm8782_probe(struct platform_device *pdev) |
| 46 | { |
| 47 | return snd_soc_register_codec(&pdev->dev, |
| 48 | &soc_codec_dev_wm8782, &wm8782_dai, 1); |
| 49 | } |
| 50 | |
| 51 | static int __devexit wm8782_remove(struct platform_device *pdev) |
| 52 | { |
| 53 | snd_soc_unregister_codec(&pdev->dev); |
| 54 | return 0; |
| 55 | } |
| 56 | |
| 57 | static struct platform_driver wm8782_codec_driver = { |
| 58 | .driver = { |
| 59 | .name = "wm8782", |
| 60 | .owner = THIS_MODULE, |
| 61 | }, |
| 62 | .probe = wm8782_probe, |
| 63 | .remove = wm8782_remove, |
| 64 | }; |
| 65 | |
| 66 | static int __init wm8782_init(void) |
| 67 | { |
| 68 | return platform_driver_register(&wm8782_codec_driver); |
| 69 | } |
| 70 | module_init(wm8782_init); |
| 71 | |
| 72 | static void __exit wm8782_exit(void) |
| 73 | { |
| 74 | platform_driver_unregister(&wm8782_codec_driver); |
| 75 | } |
| 76 | module_exit(wm8782_exit); |
| 77 | |
| 78 | MODULE_DESCRIPTION("ASoC WM8782 driver"); |
| 79 | MODULE_AUTHOR("Johannes Stezenbach <js@sig21.net>"); |
| 80 | MODULE_LICENSE("GPL"); |