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media: adv7842: when the EDID is cleared, unconfigure CEC as well

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[ Upstream commit ab83203e18 ]

When there is no EDID the CEC adapter should be unconfigured as
well. So call cec_phys_addr_invalidate() when this happens.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: <stable@vger.kernel.org>      # for v4.18 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
This commit is contained in:
Hans Verkuil 2018-10-04 03:58:34 -04:00 committed by Greg Kroah-Hartman
parent 07c8183301
commit 2c0ffc930b
1 changed files with 3 additions and 1 deletions
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4
drivers/media/i2c/adv7842.c
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@ -799,8 +799,10 @@ static int edid_write_hdmi_segment(struct v4l2_subdev *sd, u8 port)
/* Disable I2C access to internal EDID ram from HDMI DDC ports */
rep_write_and_or(sd, 0x77, 0xf3, 0x00);
if (!state->hdmi_edid.present)
if (!state->hdmi_edid.present) {
cec_phys_addr_invalidate(state->cec_adap);
return 0;
}
pa = cec_get_edid_phys_addr(edid, 256, &spa_loc);
err = cec_phys_addr_validate(pa, &pa, NULL);