patternSize_ is a private variable and its meaning is already documented in the patternSize() getter documentation. Move the list of valid sizes to the patternSize() getter documentation and drop the patternSize_ documentation. While at it also add 1x1 as valid size for use with future support of single plane non Bayer input data. Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Milan Zamazal <mzamazal@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>