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pipeline: ipa: raspberrypi: Add HBLANK control to DelayedControls

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Update CamHelper::getDelays() to return the sensor HBLANK delay. The
HBLANK delay is set to the same value as VBLANK delay for all sensors in
the Raspberry Pi IPA.

Return the HBLANK gain delay from the IPA to the pipeline handler, and
initialise DelayedControls to handle V4L2_CID_HBLANK with this delay
value.

As a drive-by, check that the V4L2_CID_HBLANK control is available when
calling IPARPi::configure().

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Tested-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2022-10-06 14:17:39 +01:00 • committed by Laurent Pinchart
parent f694da76be
commit aa2fe6a86f
11 changed files with 28 additions and 16 deletions
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include/libcamera/ipa/raspberrypi.mojom
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@ -23,6 +23,7 @@ struct SensorConfig {
uint32 gainDelay;
uint32 exposureDelay;
uint32 vblankDelay;
uint32 hblankDelay;
uint32 sensorMetadata;
};