On Wednesday, April 13th, 2022 at 10:32, Daniel Vetter <daniel@xxxxxxxx> wrote: > Inflicting hotplug complications on all userspace (including uevent > handling for this hotpluggable backlight and everything) just because > fixing the old crap systems is work is imo really not a good idea. Much > better if we get to the correct future step-by-step. Yup, I fully agree. As a user-space dev I'm perfectly fine with an API only available on some systems as a first step.