ASoC: Intel: use lock when changing SST state.

SST state change should be done under sst_lock

Signed-off-by: Mythri P K <mythri.p.k@intel.com>
Signed-off-by: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/sst/sst.c

@@ -463,15 +463,13 @@ static int intel_sst_runtime_resume(struct device *dev)
 	int ret = 0;
 	struct intel_sst_drv *ctx = dev_get_drvdata(dev);
 
-	mutex_lock(&ctx->sst_lock);
 	if (ctx->sst_state == SST_RESET) {
 		ret = sst_load_fw(ctx);
 		if (ret) {
 			dev_err(dev, "FW download fail %d\n", ret);
-			ctx->sst_state = SST_RESET;
+			sst_set_fw_state_locked(ctx, SST_RESET);
 		}
 	}
-	mutex_unlock(&ctx->sst_lock);
 	return ret;
 }
 

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;