4.19-stable review patch. If anyone has any objections, please let me know.
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From: Hans Verkuil hans.verkuil@cisco.com
commit ab83203e181015b099720aff43ffabc1812e0fb3 upstream.
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: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/media/i2c/adv7842.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/media/i2c/adv7842.c +++ b/drivers/media/i2c/adv7842.c @@ -786,8 +786,10 @@ static int edid_write_hdmi_segment(struc /* 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);