The issue can be fixed by the commit below.
Please help to backport it to xenial.
commit 2b28b00a7e9ef21d3b94277e517692896e46e58c
Author: Hans de Goede <email address hidden>
Date: Fri Oct 14 18:25:35 2016 +0200
power: The Power.Keyboard.Brightness property is in percent
The issue can be fixed by the commit below.
Please help to backport it to xenial.
commit 2b28b00a7e9ef21 d3b94277e517692 896e46e58c Brightness property is in percent
Author: Hans de Goede <email address hidden>
Date: Fri Oct 14 18:25:35 2016 +0200
power: The Power.Keyboard.