ASoC: core: Add platform component mutex
Add mutex support for platform IO operations. e.g. can be used
for platform DAPM widget IO ops.
Signed-off-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 7978f6c..c90bb01 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3382,6 +3382,7 @@
platform->dapm.dev = dev;
platform->dapm.platform = platform;
platform->dapm.stream_event = platform_drv->stream_event;
+ mutex_init(&platform->mutex);
mutex_lock(&client_mutex);
list_add(&platform->list, &platform_list);