Add support for the LEDs around the mode switch to the generic code path in
support of the second generation Intuos Pro.
Signed-off-by: NAaron Skomra <aaron.skomra@wacom.com>
Reviewed-by: NPing Cheng <pingc@wacom.com>
Signed-off-by: NJiri Kosina <jkosina@suse.cz>