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The SUR40 can recognize specific printed patterns directly in hardware; this information (i.e. the pattern id) is present but currently unused in the blob structure. Signed-off-by: Florian Echtler <floe@butterbrot.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>