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media: TDA1997x: enable EDID support

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[ Upstream commit ea3e1c36e38810427485f06c2becc1f29e54521d ]

Without this patch, the TDA19971 chip's EDID is inactive.
EDID never worked with this driver, it was all tested with HDMI signal
sources which don't need EDID support.

Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
Fixes: 9ac0038db9a7 ("media: i2c: Add TDA1997x HDMI receiver driver")
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Krzysztof Hałasa 2021-06-16 07:13:55 +02:00 committed by Greg Kroah-Hartman
parent 43282ca83a
commit b928930530
1 changed files with 1 additions and 0 deletions

1
drivers/media/i2c/tda1997x.c

@ -2233,6 +2233,7 @@ static int tda1997x_core_init(struct v4l2_subdev *sd)
/* get initial HDMI status */
state->hdmi_status = io_read(sd, REG_HDMI_FLAGS);
io_write(sd, REG_EDID_ENABLE, EDID_ENABLE_A_EN | EDID_ENABLE_B_EN);
return 0;
}