Some backlight patches for the Fedora kernel

[Hans de Goede]

Hi Josh,

Attached are 3 patches for the current F-21 kernel,
fixing various backlight issues. All 3 have been
sent upstream, and patch 2 is already upstream, so
likely not needed for rawhide.

Together these 3 patches fix:

https://bugzilla.redhat.com/show_bug.cgi?id=1094948
https://bugzilla.redhat.com/show_bug.cgi?id=1115713
https://bugzilla.redhat.com/show_bug.cgi?id=1163574

Can you please add these to the Fedora kernel builds?

Regards,

Hans