generic: backport an upstream fix for building snd-soc-pcm as a module

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34617 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/generic/patches-3.6/066-snd-soc-dmaengine-pcm.patch

@@ -0,0 +1,34 @@
+From 961a7aeafab477f63d9eef26afde9cbb8badcd0f Mon Sep 17 00:00:00 2001
+From: Peter Ujfalusi <peter.ujfalusi@ti.com>
+Date: Mon, 1 Oct 2012 12:29:26 +0300
+Subject: [PATCH] ASoC: dmaengine: Correct Makefile when sound is built as
+ module
+
+soc-dmaengine-pcm library need to be part of the snd-soc-core in order to
+be able to compile ASoC as modules when dmaengine is enabled on the platform.
+
+Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
+Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
+---
+ sound/soc/Makefile |    5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/sound/soc/Makefile b/sound/soc/Makefile
+index bcbf1d0..99f32f7 100644
+--- a/sound/soc/Makefile
++++ b/sound/soc/Makefile
+@@ -1,8 +1,9 @@
+ snd-soc-core-objs := soc-core.o soc-dapm.o soc-jack.o soc-cache.o soc-utils.o
+ snd-soc-core-objs += soc-pcm.o soc-compress.o soc-io.o
+ 
+-snd-soc-dmaengine-pcm-objs := soc-dmaengine-pcm.o
+-obj-$(CONFIG_SND_SOC_DMAENGINE_PCM) += snd-soc-dmaengine-pcm.o
++ifneq ($(CONFIG_SND_SOC_DMAENGINE_PCM),)
++snd-soc-core-objs += soc-dmaengine-pcm.o
++endif
+ 
+ obj-$(CONFIG_SND_SOC)	+= snd-soc-core.o
+ obj-$(CONFIG_SND_SOC)	+= codecs/
+-- 
+1.7.10.4
+