This is a note to let you know that I've just added the patch titled media: adv7842: when the EDID is cleared, unconfigure CEC as well to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: media-adv7842-when-the-edid-is-cleared-unconfigure-c.patch and it can be found in the queue-4.14 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 56f364c5b7953b651aeb5e28a4aa8d498ffaf00a Author: Hans Verkuil <hans.verkuil@xxxxxxxxx> Date: Thu Oct 4 03:58:34 2018 -0400 media: adv7842: when the EDID is cleared, unconfigure CEC as well [ Upstream commit ab83203e181015b099720aff43ffabc1812e0fb3 ] 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@xxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> # for v4.18 and up Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index f9c23173c9fa0..dcce8d030e5db 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -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);