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| author | Martin Bugge <marbugge@cisco.com> | 2013-08-14 14:25:48 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-24 09:25:23 +0200 |
| commit | 350a1815ded7debd6053da22cd75379c95c8ca4e (patch) | |
| tree | d1e02540c4eed30e0bd6abe7e89eb42d587b45b0 /drivers/media/i2c | |
| parent | [media] ad9389b: trigger edid re-read by power-cycle chip (diff) | |
| download | linux-350a1815ded7debd6053da22cd75379c95c8ca4e.tar.xz linux-350a1815ded7debd6053da22cd75379c95c8ca4e.zip | |
[media] adv7604: corrected edid crc-calculation
Signed-off-by: Martin Bugge <marbugge@cisco.com>
Reviewed-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')
| -rw-r--r-- | drivers/media/i2c/ad9389b.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/media/i2c/ad9389b.c b/drivers/media/i2c/ad9389b.c index 545aabbdae68..d78fd3d634ac 100644 --- a/drivers/media/i2c/ad9389b.c +++ b/drivers/media/i2c/ad9389b.c @@ -983,12 +983,12 @@ static void ad9389b_check_monitor_present_status(struct v4l2_subdev *sd) static bool edid_block_verify_crc(u8 *edid_block) { - int i; u8 sum = 0; + int i; - for (i = 0; i < 127; i++) - sum += *(edid_block + i); - return ((255 - sum + 1) == edid_block[127]); + for (i = 0; i < 128; i++) + sum += edid_block[i]; + return sum == 0; } static bool edid_segment_verify_crc(struct v4l2_subdev *sd, u32 segment) |