For me it is working with:
• Add "acpi_osi=" to GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub then run
update-grub
• Add a file "20-backlight.conf" with the following content to
"/usr/share/X11/xorg.conf.d"
Section "Device"
Identifier "card0"
Driver "intel"
Option "Backlight" "intel_backlight"
BusID "PCI:0:2:0"
EndSection
After a reboot it's working.
Asus Zenbook UX305UA running Ubuntu 15.10 with 4.4 kernel.
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https://bugs.launchpad.net/bugs/1348890
Title:
Asus UX32LN: Brightness keys Fn+F5 and Fn+F6 don't generate evdev
event
Status in Linux:
Confirmed
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hello Community,
It seems brightness keys don't work with latest Ubuntu 14.04 LTS for
laptop Asus Zenbook UX32LN.
sudo dmidecode -s bios-version
UX32LN.203
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