| From 741cf17b92f095aaff391a6c2499c53b30ef8294 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Wed, 16 Jun 2021 07:13:55 +0200 |
| Subject: media: TDA1997x: enable EDID support |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| From: Krzysztof Hałasa <khalasa@piap.pl> |
| |
| [ 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> |
| --- |
| drivers/media/i2c/tda1997x.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/drivers/media/i2c/tda1997x.c b/drivers/media/i2c/tda1997x.c |
| index 91e6db847bb5..3a191e257fad 100644 |
| --- a/drivers/media/i2c/tda1997x.c |
| +++ b/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; |
| } |
| |
| -- |
| 2.30.2 |
| |
