Comment 221 for bug 1098216

(In reply to comment #94)
> (In reply to comment #93)
> > Can't the acpi part handling the hotkey even pass the message to
> > intel_backlight?
>
> I'll not do this decision making thing, and you are welcome to give your
> ideas
> in the mailing list on this topic:
> https://lkml.org/lkml/2013/6/9/161

Ok, will try to write to the thread.

> If no changes are made, the ACPI video backlight interface will be picked up
> by
> user space and since it is broken, I don't see why 3.9 would work...Did you
> add
> any kernel command line like the !Windows 2012?

Ok, I've just tried on vanilla 3.9.7 (will attach dmesg and config just in case). Using /sys/class/backlight/acpi_video0/brightness *does* work. /s/c/b/intel_backlight/brightness works too.

Not to sure what xfpm uses, I can check if needed.