1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/i2c/adv7180.c b/drivers/media/i2c/adv7180.c
index 34f39d3b3e3e..afd561ab190d 100644
--- a/drivers/media/i2c/adv7180.c
+++ b/drivers/media/i2c/adv7180.c
@@ -135,6 +135,10 @@ struct adv7180_state {
 
 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
 {
+        /* in case V4L2_IN_ST_NO_SIGNAL */
+        if (!(status1 & ADV7180_STATUS1_IN_LOCK))
+                return V4L2_STD_UNKNOWN;
+
         switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
         case ADV7180_STATUS1_AUTOD_NTSM_M_J:
                 return V4L2_STD_NTSC;