Public bug reported:
Hi
I have ubuntu 14.04 running on Dell E5430. Backlight control is working fine,
but cannot be controlled via function keys (Fn+Up/Down). When xev started all
other function keys works correctly, when Fn+UP/Down is pressed sometimes event
is registered after +/- 10 seconds, sometimes is lost completely.
And the issue is gone after I suspend/resume the system :|
After reboot the issue is back again.
Let me know what info you need.
Cheers.
Piotr
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-46-generic 3.16.0-46.62~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-46.62~14.04.1-generic 3.16.7-ckt15
Uname: Linux 3.16.0-46-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.12
Architecture: amd64
CurrentDesktop: Unity
Date: Tue Sep 1 21:42:54 2015
InstallationDate: Installed on 2015-02-22 (191 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-lts-utopic (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1491119
Title:
backlight functions keys not working
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