Commit 40e0aa64 authored by Richard Purdie's avatar Richard Purdie Committed by Jaroslav Kysela
Browse files

[ALSA] ASoC codecs: WM8731 support 



This patch adds ASoC support for the WM8731 codec.
Supported features:-
 o Capture/Playback/Sidetone/Bypass.
 o 16 & 24 bit audio.
 o 8k - 96k sample rates.
 o DAPM.

Signed-off-by: default avatarRichard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarLiam Girdwood <liam.girdwood@wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent eb1a6af3

include/linux/i2c-id.h

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@@ -115,6 +115,7 @@ 
#define I2C_DRIVERID_KS0127	86	/* Samsung ks0127 video decoder */

#define I2C_DRIVERID_TLV320AIC23B 87	/* TI TLV320AIC23B audio codec  */

#define I2C_DRIVERID_ISL1208	88	/* Intersil ISL1208 RTC		*/

#define I2C_DRIVERID_WM8731		89	/* Wolfson WM8731 audio codec */



#define I2C_DRIVERID_I2CDEV	900

#define I2C_DRIVERID_ARP        902    /* SMBus ARP Client              */

sound/soc/codecs/wm8731.c

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sound/soc/codecs/wm8731.h

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/*

 * wm8731.h  --  WM8731 Soc Audio driver

 *

 * Copyright 2005 Openedhand Ltd.

 *

 * Author: Richard Purdie <richard@openedhand.com>

 *

 * Based on wm8753.h

 *

 * 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.

 */



#ifndef _WM8731_H

#define _WM8731_H



/* WM8731 register space */



#define WM8731_LINVOL   0x00

#define WM8731_RINVOL   0x01

#define WM8731_LOUT1V   0x02

#define WM8731_ROUT1V   0x03

#define WM8731_APANA    0x04

#define WM8731_APDIGI   0x05

#define WM8731_PWR      0x06

#define WM8731_IFACE    0x07

#define WM8731_SRATE    0x08

#define WM8731_ACTIVE   0x09

#define WM8731_RESET	0x0f



#define WM8731_CACHEREGNUM 	10



struct wm8731_setup_data {

	unsigned short i2c_address;

};



extern struct snd_soc_codec_dai wm8731_dai;

extern struct snd_soc_codec_device soc_codec_dev_wm8731;



#endif