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Subject: media: adv7842: when the EDID is cleared, unconfigure CEC as well Author: Hans Verkuil hans.verkuil@cisco.com Date: Thu Oct 4 03:58:34 2018 -0400

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

drivers/media/i2c/adv7842.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

---

diff --git a/drivers/media/i2c/adv7842.c b/drivers/media/i2c/adv7842.c index cd63cc6564e9..4721d49dcf0f 100644 --- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -786,8 +786,10 @@ 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 = v4l2_get_edid_phys_addr(edid, 256, &spa_loc); err = v4l2_phys_addr_validate(pa, &pa, NULL);