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"); 81