To be able to use the awb function copied from the Raspberry Pi tuning
scripts in the libtuning code, we need to remove the Cam object. Use the
logging framework to replace all accesses to Cam.log.
Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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