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-rw-r--r--sound/soc/intel/atom/sst-atom-controls.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/soc/intel/atom/sst-atom-controls.c b/sound/soc/intel/atom/sst-atom-controls.c
index df8f7994d3b7..69f3af4524ab 100644
--- a/sound/soc/intel/atom/sst-atom-controls.c
+++ b/sound/soc/intel/atom/sst-atom-controls.c
@@ -50,6 +50,8 @@ static int sst_fill_and_send_cmd_unlocked(struct sst_data *drv,
{
int ret = 0;
+ WARN_ON(!mutex_is_locked(&drv->lock));
+
ret = sst_fill_byte_control(drv, ipc_msg,
block, task_id, pipe_id, len, cmd_data);
if (ret < 0)