diff options
| -rw-r--r-- | drivers/media/platform/aspeed-video.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 94f97d96dabc..eb12f3793062 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -630,7 +630,7 @@ static void aspeed_video_check_and_set_polarity(struct aspeed_video *video) } if (hsync_counter < 0 || vsync_counter < 0) { - u32 ctrl; + u32 ctrl = 0; if (hsync_counter < 0) { ctrl = VE_CTRL_HSYNC_POL; @@ -650,7 +650,8 @@ static void aspeed_video_check_and_set_polarity(struct aspeed_video *video) V4L2_DV_VSYNC_POS_POL; } - aspeed_video_update(video, VE_CTRL, 0, ctrl); + if (ctrl) + aspeed_video_update(video, VE_CTRL, 0, ctrl); } } |