add bit and bytes to allow rpi-proto driver building. no runtime tests done.

mk/modules.mk

@@ -1754,6 +1754,11 @@ $(eval $(call KMOD_template,DRM_DW_HDMI_CEC,drm-dw-hdmi-cec,\
 #
 # Sound
 #
+
+$(eval $(call KMOD_template,SND_SOC_WM8731,snd-soc-wm8731,\
+       $(MODULES_DIR)/kernel/sound/soc/codecs/snd-soc-wm8731 \
+,55))
+
 $(eval $(call KMOD_template,SND_SOC_WM8804,snd-soc-wm8804,\
        $(MODULES_DIR)/kernel/sound/soc/codecs/snd-soc-wm8804 \
 ,55))
@@ -1794,3 +1799,6 @@ $(eval $(call KMOD_template,SND_BCM2708_SOC_IQAUDIO_DAC,snd-bcm2708-soc-iqaudio-
        $(MODULES_DIR)/kernel/sound/soc/bcm/snd-soc-iqaudio-dac \
 ,65, kmod-snd-bcm2708-soc-i2s))
 
+$(eval $(call KMOD_template,SND_BCM2708_SOC_RPI_CODEC_PROTO,snd-bcm2708-soc-rpi-proto,\
+       $(MODULES_DIR)/kernel/sound/soc/bcm/snd-soc-rpi-proto \
+,65, kmod-snd-bcm2708-soc-i2s))

target/linux/config/Config.in.audio

@@ -73,6 +73,10 @@ config ADK_KERNEL_SND_AC97_CODEC
 config ADK_KERNEL_SND_SOC_I2C_AND_SPI
 	boolean
 
+config ADK_KERNEL_SND_SOC_WM8731
+	tristate
+	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
+
 config ADK_KERNEL_SND_SOC_WM8804
 	tristate
 	select ADK_KERNEL_SND_SOC_I2C_AND_SPI
@@ -185,7 +189,7 @@ config ADK_KERNEL_SND_BCM2708_SOC_I2S
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DAC
-	prompt "Raspberry PI hifiberry DAC"
+	prompt "Hifiberry DAC"
 	tristate
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND_SOC_PCM5102A
@@ -193,7 +197,7 @@ config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DAC
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DIGI
-	prompt "Raspberry PI hifiberry DIGI"
+	prompt "Hifiberry DIGI"
 	tristate
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND_SOC_WM8804
@@ -201,20 +205,28 @@ config ADK_KERNEL_SND_BCM2708_SOC_HIFIBERRY_DIGI
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_RPI_DAC
-	prompt "Raspberry PI RPI-DAC"
+	prompt "RPI-DAC"
 	tristate
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
 
 config ADK_KERNEL_SND_BCM2708_SOC_IQAUDIO_DAC
-	prompt "Raspberry PI IQAudio-DAC"
+	prompt "IQAudio-DAC"
 	tristate
 	select ADK_KERNEL_SND_BCM2708_SOC_I2S
 	select ADK_KERNEL_SND_SOC_PCM512x_I2C
 	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
 	default n
 
+config ADK_KERNEL_SND_BCM2708_SOC_RPI_CODEC_PROTO
+	prompt "Rpi-Codec-Proto"
+	tristate
+	select ADK_KERNEL_SND_BCM2708_SOC_I2S
+	select ADK_KERNEL_SND_SOC_WM8731
+	depends on ADK_TARGET_SYSTEM_RASPBERRY_PI
+	default n
+
 config ADK_KERNEL_SND_IMX_SOC
 	prompt "Solidrun SoC sound chip"
 	boolean