ASoC: Add WM2000 driver

The WM2000 is a low power, high quality handset receiver speaker
driver with Wolfson myZone™ Ambient Noise Cancellation (ANC). It
provides enhanced voice communication quality in a noisy environment
if the handset acoustics are designed appropriately.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

include/sound/wm2000.h

@@ -0,0 +1,26 @@
+/*
+ * linux/sound/wm2000.h -- Platform data for WM2000
+ *
+ * Copyright 2010 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_WM2000_H
+#define __LINUX_SND_WM2000_H
+
+struct wm2000_platform_data {
+	/** Filename for system-specific image to download to device. */
+	const char *download_file;
+
+	/** Divide MCLK by 2 for system clock? */
+	unsigned int mclkdiv2:1;
+
+	/** Disable speech clarity enhancement, for use when an
+	 * external algorithm is used. */
+	unsigned int speech_enh_disable:1;
+};
+
+#endif

sound/soc/codecs/Kconfig

@@ -36,6 +36,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_TWL4030 if TWL4030_CORE
 	select SND_SOC_UDA134X
 	select SND_SOC_UDA1380 if I2C
+	select SND_SOC_WM2000 if I2C
 	select SND_SOC_WM8350 if MFD_WM8350
 	select SND_SOC_WM8400 if MFD_WM8400
 	select SND_SOC_WM8510 if SND_SOC_I2C_AND_SPI
@@ -265,3 +266,6 @@ config SND_SOC_MAX9877
 
 config SND_SOC_TPA6130A2
 	tristate
+
+config SND_SOC_WM2000
+	tristate

sound/soc/codecs/Makefile

@@ -58,6 +58,7 @@ snd-soc-wm-hubs-objs := wm_hubs.o
 # Amp
 snd-soc-max9877-objs := max9877.o
 snd-soc-tpa6130a2-objs := tpa6130a2.o
+snd-soc-wm2000-objs := wm2000.o
 
 obj-$(CONFIG_SND_SOC_AC97_CODEC)	+= snd-soc-ac97.o
 obj-$(CONFIG_SND_SOC_AD1836)	+= snd-soc-ad1836.o
@@ -119,3 +120,4 @@ obj-$(CONFIG_SND_SOC_WM_HUBS)	+= snd-soc-wm-hubs.o
 # Amp
 obj-$(CONFIG_SND_SOC_MAX9877)	+= snd-soc-max9877.o
 obj-$(CONFIG_SND_SOC_TPA6130A2)	+= snd-soc-tpa6130a2.o
+obj-$(CONFIG_SND_SOC_WM2000)	+= snd-soc-wm2000.o