ASoC: atmel-pcm: dma support based on pcm dmaengine

Specify overrun bit in interrupt mask
Add dmaengine specific routines

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
[voice.shen@atmel.com: adapt to soc dmaengine framework]
Signed-off-by: Bo Shen <voice.shen@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/atmel/Kconfig b/sound/soc/atmel/Kconfig
index 6051993..d1b691b 100644
--- a/sound/soc/atmel/Kconfig
+++ b/sound/soc/atmel/Kconfig
@@ -10,6 +10,10 @@
 	tristate
 	depends on SND_ATMEL_SOC
 
+config SND_ATMEL_SOC_DMA
+	tristate
+	depends on SND_ATMEL_SOC
+
 config SND_ATMEL_SOC_SSC
 	tristate
 	depends on SND_ATMEL_SOC
@@ -31,6 +35,7 @@
 config SND_AT91_SOC_AFEB9260
 	tristate "SoC Audio support for AFEB9260 board"
 	depends on ATMEL_SSC && ARCH_AT91 && MACH_AFEB9260 && SND_ATMEL_SOC
+	select SND_ATMEL_SOC_PDC
 	select SND_ATMEL_SOC_SSC
 	select SND_SOC_TLV320AIC23
 	help