ipa: rpi: awb: Disable CT search bias for Grey World AWB
If grey world AWB is setup in the tuning file, the CT curve will either
be missing or invalid. Disable biasing the statistics for the search in
such cases.
Fixes: ea8fd63d936f ("ipa: rpi: awb: Add a bias to the AWB search")
Signed-off-by: Naushir Patuck <[email protected]>
Reviewed-by: David Plowman <[email protected]>
Reviewed-by: Kieran Bingham <[email protected]>