[REGRESSION] Kernel from Willy in 14.04 doesn't detect key shortcuts to change brightness

[Tommy_CZ]

Kernel from Willy in 14.04 doesn't detect key shortcuts to change brightness. Before that it was OK.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-4.2.0-25-generic 4.2.0-25.30~14.04.1
ProcVersionSignature: Ubuntu 4.2.0-25.30~14.04.1-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Jan 24 09:04:38 2016
InstallationDate: Installed on 2016-01-23 (0 days ago)
InstallationMedia: Kubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
ProcEnviron:
 LANGUAGE=cs
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=cs_CZ.UTF-8
 SHELL=/bin/bash
SourcePackage: linux-lts-wily
UpgradeStatus: No upgrade log present (probably fresh install)

[penalvch (penalvch)]

Tommy_CZ, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:
apport-collect 1537458

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]