ASoC: wm8804: Split out bus drivers

Simplify dependencies by using new style split out bus interfaces.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 064e6c1..1d17988 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -141,7 +141,8 @@
 	select SND_SOC_WM8770 if SPI_MASTER
 	select SND_SOC_WM8776 if SND_SOC_I2C_AND_SPI
 	select SND_SOC_WM8782
-	select SND_SOC_WM8804 if SND_SOC_I2C_AND_SPI
+	select SND_SOC_WM8804_I2C if I2C
+	select SND_SOC_WM8804_SPI if SPI_MASTER
 	select SND_SOC_WM8900 if I2C
 	select SND_SOC_WM8903 if I2C
 	select SND_SOC_WM8904 if I2C
@@ -744,8 +745,19 @@
 	tristate
 
 config SND_SOC_WM8804
-	tristate "Wolfson Microelectronics WM8804 S/PDIF transceiver"
-	depends on SND_SOC_I2C_AND_SPI
+	tristate
+
+config SND_SOC_WM8804_I2C
+	tristate "Wolfson Microelectronics WM8804 S/PDIF transceiver I2C"
+	depends on I2C
+	select SND_SOC_WM8804
+	select REGMAP_I2C
+
+config SND_SOC_WM8804_SPI
+	tristate "Wolfson Microelectronics WM8804 S/PDIF transceiver SPI"
+	depends on SPI_MASTER
+	select SND_SOC_WM8804
+	select REGMAP_SPI
 
 config SND_SOC_WM8900
 	tristate