ALSA: Add support for OMAP24xx Enhanced Audio Controller

Add support for OMAP24xx Enhanced Audio Controller
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

sound/arm/Kconfig

@@ -86,4 +86,19 @@ config SND_OMAP_TSC2102
  	  To compile this driver as a module, choose M here: the module
  	  will be called snd-omap-tsc2102.
 
+config SND_OMAP24XX_EAC
+	tristate "Audio driver for OMAP24xx EAC"
+	depends on SND
+	help
+	  Audio driver for Enhanced Audio Controller found in TI's OMAP24xx
+	  processors.
+
+	  Currently contains only low-level support functions for
+	  initializing EAC HW, creating ALSA sound card instance for it
+	  and registering mixer controls implemented by a codec driver.
+	  PCM stream is expected to be under DSP co-processor control.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-omap24xx-eac.
+
 endmenu

sound/arm/omap/Makefile

@@ -13,3 +13,6 @@ snd-omap-alsa-tsc2102-objs := omap-alsa.o omap-alsa-dma.o omap-alsa-tsc2102.o om
 
 obj-$(CONFIG_SND_SX1) += snd-omap-alsa-sx1.o
 snd-omap-alsa-sx1-objs := omap-alsa.o omap-alsa-dma.o omap-alsa-sx1.o omap-alsa-sx1-mixer.o
+
+obj-$(CONFIG_SND_OMAP24XX_EAC) += snd-omap24xx-eac.o
+snd-omap24xx-eac-objs := eac.o