ASoC: WM9081 mono DAC with integrated 2.6W class AB/D amplifier driver

The WM9081 is designed to provide high power output at low distortion
levels in space-constrained portable applications.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 1c19ad5..7f78b65 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -40,6 +40,7 @@
 	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_WM9081 if I2C
 	select SND_SOC_WM9705 if SND_SOC_AC97_BUS
 	select SND_SOC_WM9712 if SND_SOC_AC97_BUS
 	select SND_SOC_WM9713 if SND_SOC_AC97_BUS
@@ -156,6 +157,9 @@
 config SND_SOC_WM8990
 	tristate
 
+config SND_SOC_WM9081
+	tristate
+
 config SND_SOC_WM9705
 	tristate