ALSA: ASoC: add generic slave and cyclic DMA engine support

Add a generic DMA engine platform driver to ASoC.  This allows a range
of DMA engines to be used to transfer data to a CPUs audio interface
without having to rewrite this code many times.

This driver supports both DMA_SLAVE and DMA_CYCLIC channels, preferring
DMA_CYCLIC channels over DMA_SLAVE channels.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 0 deletions

diff --git a/sound/soc/Makefile b/sound/soc/Makefile
index 8376fdb217ed..0277ea5cc842 100644
--- a/sound/soc/Makefile
+++ b/sound/soc/Makefile
@@ -2,6 +2,7 @@
 snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-utils.o soc-dai.o soc-component.o
 snd-soc-core-objs += soc-pcm.o soc-devres.o soc-ops.o soc-link.o soc-card.o
 snd-soc-core-$(CONFIG_SND_SOC_COMPRESS) += soc-compress.o
+snd-soc-dmaengine-objs := soc-dmaengine.o
 
 ifneq ($(CONFIG_SND_SOC_TOPOLOGY),)
 snd-soc-core-objs += soc-topology.o
@@ -32,6 +33,7 @@ endif
 obj-$(CONFIG_SND_SOC_ACPI) += snd-soc-acpi.o
 
 obj-$(CONFIG_SND_SOC)	+= snd-soc-core.o
+obj-$(CONFIG_SND_SOC_DMAENGINE) += snd-soc-dmaengine.o
 obj-$(CONFIG_SND_SOC)	+= codecs/
 obj-$(CONFIG_SND_SOC)	+= generic/
 obj-$(CONFIG_SND_SOC)	+= apple/