ASoC: rt715: add RT715 codec driver

Signed-off-by: Jack Yu <jack.yu@realtek.com>
Link: https://lore.kernel.org/r/20200110021821.17843-1-jack.yu@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -167,6 +167,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_RT5682 if I2C
 	select SND_SOC_RT700_SDW if SOUNDWIRE
 	select SND_SOC_RT711_SDW if SOUNDWIRE
+	select SND_SOC_RT715_SDW if SOUNDWIRE
 	select SND_SOC_SGTL5000 if I2C
 	select SND_SOC_SI476X if MFD_SI476X_CORE
 	select SND_SOC_SIMPLE_AMPLIFIER
@@ -1079,6 +1080,15 @@ config SND_SOC_RT711_SDW
 	select SND_SOC_RT711
 	select REGMAP_SOUNDWIRE
 
+config SND_SOC_RT715
+	tristate
+
+config SND_SOC_RT715_SDW
+	tristate "Realtek RT715 Codec - SDW"
+	depends on SOUNDWIRE
+	select SND_SOC_RT715
+	select REGMAP_SOUNDWIRE
+
 #Freescale sgtl5000 codec
 config SND_SOC_SGTL5000
 	tristate "Freescale SGTL5000 CODEC"

sound/soc/codecs/Makefile

@@ -175,6 +175,7 @@ snd-soc-rt5677-spi-objs := rt5677-spi.o
 snd-soc-rt5682-objs := rt5682.o
 snd-soc-rt700-objs := rt700.o rt700-sdw.o
 snd-soc-rt711-objs := rt711.o rt711-sdw.o
+snd-soc-rt715-objs := rt715.o rt715-sdw.o
 snd-soc-sgtl5000-objs := sgtl5000.o
 snd-soc-alc5623-objs := alc5623.o
 snd-soc-alc5632-objs := alc5632.o
@@ -469,6 +470,7 @@ obj-$(CONFIG_SND_SOC_RT5677_SPI)	+= snd-soc-rt5677-spi.o
 obj-$(CONFIG_SND_SOC_RT5682)	+= snd-soc-rt5682.o
 obj-$(CONFIG_SND_SOC_RT700)     += snd-soc-rt700.o
 obj-$(CONFIG_SND_SOC_RT711)     += snd-soc-rt711.o
+obj-$(CONFIG_SND_SOC_RT715)     += snd-soc-rt715.o
 obj-$(CONFIG_SND_SOC_SGTL5000)  += snd-soc-sgtl5000.o
 obj-$(CONFIG_SND_SOC_SIGMADSP)	+= snd-soc-sigmadsp.o
 obj-$(CONFIG_SND_SOC_SIGMADSP_I2C)	+= snd-soc-sigmadsp-i2c.o