1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 791e69d804f9..5ed1c5a52cdd 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -298,6 +298,7 @@ static struct cx88_ctrl cx8800_ctls[] = {
 };
 static const int CX8800_CTLS = ARRAY_SIZE(cx8800_ctls);
 
+/* Must be sorted from low to high control ID! */
 const u32 cx88_user_ctrls[] = {
         V4L2_CID_USER_CLASS,
         V4L2_CID_BRIGHTNESS,