From 350a1815ded7debd6053da22cd75379c95c8ca4e Mon Sep 17 00:00:00 2001 From: Martin Bugge Date: Wed, 14 Aug 2013 09:25:48 -0300 Subject: [PATCH] [media] adv7604: corrected edid crc-calculation Signed-off-by: Martin Bugge Reviewed-by: Mats Randgaard Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/i2c/ad9389b.c | 8 ++++---- 1 file 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) -- 2.30.2