ASoC: cs47l90: Add codec driver for Cirrus Logic CS47L90

Adds the codec driver for the CS47L90 SmartCodec. This is a
multi-functional codec based on the Cirrus Logic Madera platform.
Signed-off-by: Nikesh Oswal <nikesh@opensource.cirrus.com>
Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -72,6 +72,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_CS47L24 if MFD_CS47L24
 	select SND_SOC_CS47L35 if MFD_CS47L35
 	select SND_SOC_CS47L85 if MFD_CS47L85
+	select SND_SOC_CS47L90 if MFD_CS47L90
 	select SND_SOC_CS53L30 if I2C
 	select SND_SOC_CX20442 if TTY
 	select SND_SOC_CX2072X if I2C
@@ -587,6 +588,9 @@ config SND_SOC_CS47L35
 config SND_SOC_CS47L85
 	tristate
 
+config SND_SOC_CS47L90
+	tristate
+
 # Cirrus Logic Quad-Channel ADC
 config SND_SOC_CS53L30
 	tristate "Cirrus Logic CS53L30 CODEC"
@@ -718,8 +722,10 @@ config SND_SOC_MADERA
 	tristate
 	default y if SND_SOC_CS47L35=y
 	default y if SND_SOC_CS47L85=y
+	default y if SND_SOC_CS47L90=y
 	default m if SND_SOC_CS47L35=m
 	default m if SND_SOC_CS47L85=m
+	default m if SND_SOC_CS47L90=m
 
 config SND_SOC_MAX98088
 	tristate "Maxim MAX98088/9 Low-Power, Stereo Audio Codec"

sound/soc/codecs/Makefile

@@ -67,6 +67,7 @@ snd-soc-cs4349-objs := cs4349.o
 snd-soc-cs47l24-objs := cs47l24.o
 snd-soc-cs47l35-objs := cs47l35.o
 snd-soc-cs47l85-objs := cs47l85.o
+snd-soc-cs47l90-objs := cs47l90.o
 snd-soc-cs53l30-objs := cs53l30.o
 snd-soc-cx20442-objs := cx20442.o
 snd-soc-cx2072x-objs := cx2072x.o
@@ -346,6 +347,7 @@ obj-$(CONFIG_SND_SOC_CS4349)	+= snd-soc-cs4349.o
 obj-$(CONFIG_SND_SOC_CS47L24)	+= snd-soc-cs47l24.o
 obj-$(CONFIG_SND_SOC_CS47L35)	+= snd-soc-cs47l35.o
 obj-$(CONFIG_SND_SOC_CS47L85)	+= snd-soc-cs47l85.o
+obj-$(CONFIG_SND_SOC_CS47L90)	+= snd-soc-cs47l90.o
 obj-$(CONFIG_SND_SOC_CS53L30)	+= snd-soc-cs53l30.o
 obj-$(CONFIG_SND_SOC_CX20442)	+= snd-soc-cx20442.o
 obj-$(CONFIG_SND_SOC_CX2072X)	+= snd-soc-cx2072x.o