Signed-off-by: Mats Randgaard <matrandg@xxxxxxxxx> Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> --- drivers/media/i2c/adv7604.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index cfeaaaf..a1fa9a0 100644 --- a/drivers/media/i2c/adv7604.c +++ b/drivers/media/i2c/adv7604.c @@ -1423,6 +1423,11 @@ static int adv7604_s_dv_timings(struct v4l2_subdev *sd, if (!timings) return -EINVAL; + if (v4l2_match_dv_timings(&state->timings, timings, 0)) { + v4l2_dbg(1, debug, sd, "%s: no change\n", __func__); + return 0; + } + bt = &timings->bt; if ((is_analog_input(sd) && bt->pixelclock > 170000000) || -- 1.8.4.rc3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html