From: Michael Trimarchi michael@amarulasolutions.com
Add new interface check_timing to video bridge uclass. For bridge device who may update timing needs to implement the callback. So host device can sync the timing with the bridge.
Signed-off-by: Ye Li ye.li@nxp.com Signed-off-by: Michael Trimarchi michael@amarulasolutions.com Signed-off-by: Dario Binacchi dario.binacchi@amarulasolutions.com ---
drivers/video/bridge/video-bridge-uclass.c | 10 ++++++++++ include/video_bridge.h | 20 ++++++++++++++++++++ 2 files changed, 30 insertions(+)
diff --git a/drivers/video/bridge/video-bridge-uclass.c b/drivers/video/bridge/video-bridge-uclass.c index 2084a2e03ee8..7432107238cc 100644 --- a/drivers/video/bridge/video-bridge-uclass.c +++ b/drivers/video/bridge/video-bridge-uclass.c @@ -48,6 +48,16 @@ int video_bridge_check_attached(struct udevice *dev) return ops->check_attached(dev); }
+int video_bridge_check_timing(struct udevice *dev, struct display_timing *timing) +{ + struct video_bridge_ops *ops = video_bridge_get_ops(dev); + + if (ops->check_timing) + return ops->check_timing(dev, timing); + + return 0; +} + int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size) { struct video_bridge_ops *ops = video_bridge_get_ops(dev); diff --git a/include/video_bridge.h b/include/video_bridge.h index 3b429eac578a..8b71b04a1119 100644 --- a/include/video_bridge.h +++ b/include/video_bridge.h @@ -44,6 +44,17 @@ struct video_bridge_ops { */ int (*check_attached)(struct udevice *dev);
+ /** + * check_timing() - check if the timing need update after the bridge device attached + * + * This method is optional - if not provided then return 0 + * + * @dev: Device to check + * @active: The timing to be checked and updated + * Return: 0 if OK, -ve on error + */ + int (*check_timing)(struct udevice *dev, struct display_timing *timing); + /** * set_backlight() - Set the backlight brightness * @@ -98,6 +109,15 @@ int video_bridge_set_active(struct udevice *dev, bool active); */ int video_bridge_check_attached(struct udevice *dev);
+/** + * check_timing() - check if the timing need update after the bridge device attached + * + * @dev: Device to check + * @active: The timing to be checked and updated + * Return: 0 if OK, -ve on error + */ +int video_bridge_check_timing(struct udevice *dev, struct display_timing *timing); + /** * video_bridge_read_edid() - Read information from EDID *