Hi Laurent,
Am 07.04.2022 um 09:30 schrieb Laurent Pinchart laurent.pinchart@ideasonboard.com:
Hi Nikolaus,
Thank you for the patch.
On Wed, Apr 06, 2022 at 06:26:08PM +0200, H. Nikolaus Schaller wrote:
"hdmi-connector.yaml" bindings defines an optional property "ddc-en-gpios" for a single gpio to enable DDC operation.
Usually this controls +5V power on the HDMI connector. This +5V may also be needed for HPD.
This was not reflected in code but is needed to make the CI20 board work.
Now, the driver activates the ddc gpio after probe and deactivates after remove so it is "almost on".
But only if this driver is loaded (and not e.g. blacklisted as module).
Signed-off-by: H. Nikolaus Schaller hns@goldelico.com
Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com
Added to v18 (which is needed to remove some now redundant patches and fix a detail in the ingenic-drm driver).
BR and thanks for review, Nikolaus