ASoC: Add WM8993 CODEC driver

/*

 * linux/sound/wm8993.h -- Platform data for WM8993

 *

 * Copyright 2009 Wolfson Microelectronics. PLC.

 *

 * 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 __LINUX_SND_WM8993_H

#define __LINUX_SND_WM8993_H

/* Note that EQ1 only contains the enable/disable bit so will be

   ignored but is included for simplicity.

 */

struct wm8993_retune_mobile_setting {

	const char *name;

	unsigned int rate;

	u16 config[24];

};

struct wm8993_platform_data {

	struct wm8993_retune_mobile_setting *retune_configs;

	int num_retune_configs;

	/* LINEOUT can be differential or single ended */

	unsigned int lineout1_diff:1;

	unsigned int lineout2_diff:1;

	/* Common mode feedback */

	unsigned int lineout1fb:1;

	unsigned int lineout2fb:1;

	/* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */

	unsigned int micbias1_lvl:1;

	unsigned int micbias2_lvl:1;

	/* Jack detect threashold levels, see datasheet for values */

	unsigned int jd_scthr:2;

	unsigned int jd_thr:2;

};

#endif

	select SND_SOC_WM8971 if I2C

	select SND_SOC_WM8988 if SND_SOC_I2C_AND_SPI

	select SND_SOC_WM8990 if I2C

	select SND_SOC_WM8993 if I2C

	select SND_SOC_WM9081 if I2C

	select SND_SOC_WM9705 if SND_SOC_AC97_BUS

	select SND_SOC_WM9712 if SND_SOC_AC97_BUS

config SND_SOC_WM8990

	tristate

config SND_SOC_WM8993

	tristate

config SND_SOC_WM9081

	tristate

snd-soc-wm8971-objs := wm8971.o

snd-soc-wm8988-objs := wm8988.o

snd-soc-wm8990-objs := wm8990.o

snd-soc-wm8993-objs := wm8993.o

snd-soc-wm9081-objs := wm9081.o

snd-soc-wm9705-objs := wm9705.o

snd-soc-wm9712-objs := wm9712.o

obj-$(CONFIG_SND_SOC_WM8961)	+= snd-soc-wm8961.o

obj-$(CONFIG_SND_SOC_WM8988)	+= snd-soc-wm8988.o

obj-$(CONFIG_SND_SOC_WM8990)	+= snd-soc-wm8990.o

obj-$(CONFIG_SND_SOC_WM8993)	+= snd-soc-wm8993.o

obj-$(CONFIG_SND_SOC_WM9081)	+= snd-soc-wm9081.o

obj-$(CONFIG_SND_SOC_WM9705)	+= snd-soc-wm9705.o

obj-$(CONFIG_SND_SOC_WM9712)	+= snd-soc-wm9712.o