diff options
| author | Mats Randgaard <matrandg@cisco.com> | 2013-12-12 17:13:35 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-01-07 12:16:25 +0400 |
| commit | d48eb48cd4d497e2e65c68d3ca3976a8dbfc992e (patch) | |
| tree | ffea833d9f77b4a795acf065c5f6d463242ac7a7 /drivers/media/i2c/adv7604.c | |
| parent | f24d229c1e17d40f81010ede53d9bf67327e21d2 (diff) | |
| download | linux-d48eb48cd4d497e2e65c68d3ca3976a8dbfc992e.tar.xz | |
[media] adv7604: return immediately if the new timings are equal to what is configured
Signed-off-by: Mats Randgaard <matrandg@cisco.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/i2c/adv7604.c')
| -rw-r--r-- | drivers/media/i2c/adv7604.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/i2c/adv7604.c b/drivers/media/i2c/adv7604.c index 912c59ec22b1..0bc9e1a8c07e 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) || |