diff --git a/include/media/msmb_isp.h b/include/media/msmb_isp.h
index c9d3f15..26ad185 100644
--- a/include/media/msmb_isp.h
+++ b/include/media/msmb_isp.h
@@ -324,7 +324,7 @@
 };
 
 struct msm_isp_event_data {
-	struct timeval timestamp;
+	struct timeval timestamp; /*Wall clock*/
 	/* if pix is a src frame_id is from camif */
 	uint32_t frame_id;
 	union {