Cc: linux-leds@xxxxxxxxxxxxxxx, Pavel Machek <pavel@xxxxxx>, Dan Murphy <dmurphy@xxxxxx>, Ondřej Jirman <megous@xxxxxxxxxx>, Russell King <linux@xxxxxxxxxxxxxxx>, Andrew Lunn <andrew@xxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxxxxx>, Rob Herring <robh+dt@xxxxxxxxxx>