ALSA: ASoC: Add WM8900 CODEC driver

The WM8900 is designed for portable multimedia applications requiring
low power consumption, high performance audio and a compact form factor
providing:

 - 24 bit stereo ADC and DAC
 - Microphone and line inputs
 - Line outputs
 - Class G headphone amplifier

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/soc/codecs/Kconfig

@@ -8,6 +8,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_WM8731
 	select SND_SOC_WM8750
 	select SND_SOC_WM8753
+	select SND_SOC_WM8900
 	select SND_SOC_WM8990
 	select SND_SOC_CS4270
 	select SND_SOC_TLV320AIC26
@@ -46,6 +47,9 @@ config SND_SOC_WM8750
 config SND_SOC_WM8753
 	tristate
 
+config SND_SOC_WM8900
+	tristate
+
 config SND_SOC_WM8990
 	tristate
 

sound/soc/codecs/Makefile

@@ -6,6 +6,7 @@ snd-soc-wm8510-objs := wm8510.o
 snd-soc-wm8731-objs := wm8731.o
 snd-soc-wm8750-objs := wm8750.o
 snd-soc-wm8753-objs := wm8753.o
+snd-soc-wm8900-objs := wm8900.o
 snd-soc-wm8990-objs := wm8990.o
 snd-soc-wm9712-objs := wm9712.o
 snd-soc-wm9713-objs := wm9713.o
@@ -21,6 +22,7 @@ obj-$(CONFIG_SND_SOC_WM8510)	+= snd-soc-wm8510.o
 obj-$(CONFIG_SND_SOC_WM8731)	+= snd-soc-wm8731.o
 obj-$(CONFIG_SND_SOC_WM8750)	+= snd-soc-wm8750.o
 obj-$(CONFIG_SND_SOC_WM8753)	+= snd-soc-wm8753.o
+obj-$(CONFIG_SND_SOC_WM8900)	+= snd-soc-wm8900.o
 obj-$(CONFIG_SND_SOC_WM8990)	+= snd-soc-wm8990.o
 obj-$(CONFIG_SND_SOC_WM9712)	+= snd-soc-wm9712.o
 obj-$(CONFIG_SND_SOC_WM9713)	+= snd-soc-wm9713.o