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media: tda1997x: fix get_edid 

set_edid never wrote the new EDID to state->edid.edid, it was only
written to the hardware. Since get_edid returned state->edid.edid,
it was never returning the right EDID.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: added missing commit log]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Tim Harvey 2019-02-05 11:23:36 -05:00 committed by Mauro Carvalho Chehab
parent 35deee1418
commit 0806bc0afb
1 changed files with 4 additions and 0 deletions
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4
drivers/media/i2c/tda1997x.c
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@ -1884,6 +1884,10 @@ static int tda1997x_set_edid(struct v4l2_subdev *sd, struct v4l2_edid *edid)
for (i = 0; i < 128; i++)
io_write(sd, REG_EDID_IN_BYTE128 + i, edid->edid[i+128]);
/* store state */
memcpy(state->edid.edid, edid->edid, 256);
state->edid.blocks = edid->blocks;
tda1997x_enable_edid(sd);
return 0;