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authorJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2022-02-24 12:33:44 +0100
committerJean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>2022-03-28 12:31:37 +0200
commit13c1e48e8ec6bce55585f042c695e47f2873c58c (patch)
treed59fc24ff2402d25bdfe0f7850e7e84102bae7e4 /src/ipa/raspberrypi
parentf84e5e01a4dbec6183c53810d1e579d32674aaae (diff)
ipa: rkisp1: Introduce Black Level Correction
In order to have the proper pixel levels, apply a fixed black level correction, based on the imx219 tuning file in RPi. The value is 4096 on 16 bits, and the pipeline for RkISP1 is on 12 bits, scale it. Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Tested-by: Peter Griffin <peter.griffin@linaro.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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