Public bug reported:
I have a gigabyte P57 laptop running Ubuntu 16.04 kernel 4.8.x. My
brightness control keys (fn+F3, fn+F4) are not getting detected. After
reading about how keypresses are handled by the Linux kernel, I used
showkey to check the scancodes of these keys. I did not get any output.
Similarly no output from xev, evtest and acpi_listen.
Just for your reference, other keys like volume up (fn+F9) are working
alright.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1665530
Title:
Brightness control keys not working on Gigabyte P57 laptop
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