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| author | Martin Bugge <marbugge@cisco.com> | 2013-08-14 16:24:33 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-24 11:25:11 +0400 |
| commit | 15edc1ccdb29fe7cd55d329948c134c090a88b64 (patch) | |
| tree | 3fad49441a98344377e67453461e9edd897377fe /drivers/media/i2c/ad9389b.c | |
| parent | 7be4f888112eeebd7ce33bca49b3a1df1fd52295 (diff) | |
| download | linux-15edc1ccdb29fe7cd55d329948c134c090a88b64.tar.xz | |
[media] ad9389b: trigger edid re-read by power-cycle chip
Signed-off-by: Martin Bugge <marbugge@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/ad9389b.c')
| -rw-r--r-- | drivers/media/i2c/ad9389b.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index 52384e83cde9..545aabbdae68 100644 --- a/drivers/media/i2c/ad9389b.c +++ b/drivers/media/i2c/ad9389b.c @@ -855,8 +855,10 @@ static void ad9389b_edid_handler(struct work_struct *work) * (DVI connectors are particularly prone to this problem). */ if (state->edid.read_retries) { state->edid.read_retries--; - /* EDID read failed, trigger a retry */ - ad9389b_wr(sd, 0xc9, 0xf); + v4l2_dbg(1, debug, sd, "%s: edid read failed\n", __func__); + state->have_monitor = false; + ad9389b_s_power(sd, false); + ad9389b_s_power(sd, true); queue_delayed_work(state->work_queue, &state->edid_handler, EDID_DELAY); return; @@ -1019,7 +1021,6 @@ static bool ad9389b_check_edid_status(struct v4l2_subdev *sd) segment = ad9389b_rd(sd, 0xc4); if (segment >= EDID_MAX_SEGM) { v4l2_err(sd, "edid segment number too big\n"); - state->have_monitor = false; return false; } v4l2_dbg(1, debug, sd, "%s: got segment %d\n", __func__, segment); |