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Commit 350a1815 authored by Martin Bugge's avatar Martin Bugge Committed by Mauro Carvalho Chehab
Browse files

[media] adv7604: corrected edid crc-calculation 



Signed-off-by: default avatarMartin Bugge <marbugge@cisco.com>
Reviewed-by: default avatarMats Randgaard <matrandg@cisco.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 15edc1cc

drivers/media/i2c/ad9389b.c

+4 −4
Original line number Original line Diff line number Diff line
@@ -983,12 +983,12 @@ static void ad9389b_check_monitor_present_status(struct v4l2_subdev *sd) 




static bool edid_block_verify_crc(u8 *edid_block)

static bool edid_block_verify_crc(u8 *edid_block)

{

{

	int i;

	u8 sum = 0;

	u8 sum = 0;

	int i;





	for (i = 0; i < 127; i++)

	for (i = 0; i < 128; i++)

		sum += *(edid_block + i);

		sum += edid_block[i];

	return ((255 - sum + 1) == edid_block[127]);

	return sum == 0;

}

}





static bool edid_segment_verify_crc(struct v4l2_subdev *sd, u32 segment)

static bool edid_segment_verify_crc(struct v4l2_subdev *sd, u32 segment)