[alsa-devel] [PATCH 3/3] Audio: SST: use lock when changing SST state.

[Vinod Koul]

From: Mythri P K <mythri.p.k at intel.com>

SST state change should be done under sst_lock

Signed-off-by: Mythri P K <mythri.p.k at intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty at intel.com>
Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/soc/intel/sst/sst.c     |    4 +---
 sound/soc/intel/sst/sst_ipc.c |    2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/sound/soc/intel/sst/sst.c b/sound/soc/intel/sst/sst.c
index 8eb7148..05aba24 100644
--- a/sound/soc/intel/sst/sst.c
+++ b/sound/soc/intel/sst/sst.c
@@ -466,16 +466,14 @@ static int intel_sst_runtime_resume(struct device *dev)
 
 	dev_info(dev, "runtime_resume called\n");
 
-	mutex_lock(&ctx->sst_lock);
 	if (ctx->sst_state == SST_RESET) {
 		dev_dbg(dev, "DSP Downloading FW now...\n");
 		ret = sst_load_fw(ctx);
 		if (ret) {
 			dev_err(dev, "FW download fail %x\n", ret);
-			ctx->sst_state = SST_RESET;
+			sst_set_fw_state_locked(ctx, SST_RESET);
 		}
 	}
-	mutex_unlock(&ctx->sst_lock);
 	return ret;
 }
 
diff --git a/sound/soc/intel/sst/sst_ipc.c b/sound/soc/intel/sst/sst_ipc.c
index 2126f5b..484e609 100644
--- a/sound/soc/intel/sst/sst_ipc.c
+++ b/sound/soc/intel/sst/sst_ipc.c
@@ -230,7 +230,7 @@ static void process_fw_init(struct intel_sst_drv *sst_drv_ctx,
 
 	dev_dbg(sst_drv_ctx->dev, "*** FW Init msg came***\n");
 	if (init->result) {
-		sst_drv_ctx->sst_state =  SST_RESET;
+		sst_set_fw_state_locked(sst_drv_ctx, SST_RESET);
 		dev_err(sst_drv_ctx->dev, "FW Init failed, Error %x\n",
 				init->result);
 		retval = init->result;
-- 
1.7.0.4