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"NOIR" modules are ones that have had the IR filters removed but are
otherwise identical. The same tuning can be used as for the regular
version except that the colour calibration supplied to the AWB
algorithm no longer works. Instead we need to switch the algorithm to
its basic "grey world" method.
Users with "NOIR" modules can switch to the matching "xxx_noir.json"
tuning file by using the LIBCAMERA_RPI_TUNING_FILE environment
variable.
Signed-off-by: David Plowman <david.plowman@raspberypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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