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libcamera: camera_sensor: Make VBLANK mandatory

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Add the V4L2_CID_VBLANK control to the list of mandatory controls
the sensor driver has to report and document the new requirement.

The vertical blanking control is used to calculate the frame duration.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Jacopo Mondi
2021-01-29 11:16:12 +00:00
committed by Laurent Pinchart
parent e81f9046ca
commit f1b0c7f5e3
2 changed files with 5 additions and 2 deletions
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src/libcamera/camera_sensor.cpp
+1
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@@ -244,6 +244,7 @@ int CameraSensor::validateSensorDriver()
V4L2_CID_EXPOSURE,
V4L2_CID_HBLANK,
V4L2_CID_PIXEL_RATE,
V4L2_CID_VBLANK,
};
ControlList ctrls = subdev_->getControls(mandatoryControls);