diff options
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/adv7842.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index ba748637b7ca..c69711756c8e 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -1453,6 +1453,11 @@ static int adv7842_s_dv_timings(struct v4l2_subdev *sd, if (state->mode == ADV7842_MODE_SDP) return -ENODATA; + 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 (!v4l2_valid_dv_timings(timings, adv7842_get_dv_timings_cap(sd), |