ASoC: cs47l24: Add driver for Cirrus Logic CS47L24 and WM1831 codecs

This patch adds support for the Cirrus Logic CS47L24 and WM1831 codecs.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index cfdafc4..55e14a3 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -55,6 +55,7 @@
 	select SND_SOC_CS4271_SPI if SPI_MASTER
 	select SND_SOC_CS42XX8_I2C if I2C
 	select SND_SOC_CS4349 if I2C
+	select SND_SOC_CS47L24 if MFD_CS47L24
 	select SND_SOC_CX20442 if TTY
 	select SND_SOC_DA7210 if SND_SOC_I2C_AND_SPI
 	select SND_SOC_DA7213 if I2C
@@ -195,10 +196,12 @@
 
 config SND_SOC_ARIZONA
 	tristate
+	default y if SND_SOC_CS47L24=y
 	default y if SND_SOC_WM5102=y
 	default y if SND_SOC_WM5110=y
 	default y if SND_SOC_WM8997=y
 	default y if SND_SOC_WM8998=y
+	default m if SND_SOC_CS47L24=m
 	default m if SND_SOC_WM5102=m
 	default m if SND_SOC_WM5110=m
 	default m if SND_SOC_WM8997=m
@@ -211,9 +214,11 @@
 
 config SND_SOC_WM_ADSP
 	tristate
+	default y if SND_SOC_CS47L24=y
 	default y if SND_SOC_WM5102=y
 	default y if SND_SOC_WM5110=y
 	default y if SND_SOC_WM2200=y
+	default m if SND_SOC_CS47L24=m
 	default m if SND_SOC_WM5102=m
 	default m if SND_SOC_WM5110=m
 	default m if SND_SOC_WM2200=m
@@ -422,6 +427,9 @@
 	tristate "Cirrus Logic CS4349 CODEC"
 	depends on I2C
 
+config SND_SOC_CS47L24
+	tristate
+
 config SND_SOC_CX20442
 	tristate
 	depends on TTY