This driver adds support for simple SPI based LED controller which use
only one byte for setting the brightness.
Signed-off-by: NChristian Mauderer <oss@c-mauderer.de>
Acked-by: NPavel Machek <pavel@ucw.cz>
Signed-off-by: NJacek Anaszewski <jacek.anaszewski@gmail.com>