Public bug reported:
I used the command "watch -n1 cat /proc/interrupts". But when i pressed the
brightness hot keys id didn't increased the interruptions. I also used the
"acpi_listen" at that time it didn't feedback any output when i pressed the
brightness hotkeys. Again I used "sudo showkey -s" it also didn't feedback any
output.
But it was working on windows 10.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.10.0-1034-oem 5.10.0-1034.35
ProcVersionSignature: Ubuntu 5.10.0-1034.35-oem 5.10.41
Uname: Linux 5.10.0-1034-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 27 19:30:42 2021
InstallationDate: Installed on 2021-06-27 (0 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: linux-signed-oem-5.10
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1933762
Title:
Brightness hotkeys(Fn+F5 for decrease and Fn+F6 for Increase) are not
working on Ubuntu 20.04. Hardware Lenovo Ideapad-5-15ITL05
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