*** This bug is a duplicate of bug 1997617 ***

** This bug has been marked a duplicate of bug 1997617
   Function buttons (volume, brightness) doesn't work after recent update

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  Function buttons (volume, brightness) doesn't work after recent update

Status in linux package in Ubuntu:

Bug description:
  Function buttons (volume, brightness) doesn't work after recent
  update: Thinkpad e14, kernel 5.15.0-53-generic. I'm not able to turn
  on functions working on keys F1-F12. FnLock (Fn+ESC) doesn't work

  But, function buttons work on a remote keyboard - ThinkPad TrackPoint
  Keyboard I (KT-1255).

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: linux-image-5.15.0-53-generic 5.15.0-53.59
  ProcVersionSignature: Ubuntu 5.15.0-53.59-generic 5.15.64
  Uname: Linux 5.15.0-53-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
   /dev/snd/controlC1:  as         5806 F.... pulseaudio
   /dev/snd/controlC0:  as         5806 F.... pulseaudio
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Nov 24 06:04:28 2022
  InstallationDate: Installed on 2020-12-06 (717 days ago)
  InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  MachineType: LENOVO 20T6000TPB
  ProcFB: 0 amdgpudrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-53-generic 
root=UUID=a5796f3d-37a8-428b-aa28-c160ea77bc9b ro quiet splash vt.handoff=7
   linux-restricted-modules-5.15.0-53-generic N/A
   linux-backports-modules-5.15.0-53-generic  N/A
   linux-firmware                             20220329.git681281e4-0ubuntu3.6
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/06/2021
  dmi.bios.release: 1.16
  dmi.bios.vendor: LENOVO
  dmi.bios.version: R1AET40W (1.16 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20T6000TPB
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.16
  dmi.product.family: ThinkPad E14 Gen 2
  dmi.product.name: 20T6000TPB
  dmi.product.sku: LENOVO_MT_20T6_BU_Think_FM_ThinkPad E14 Gen 2
  dmi.product.version: ThinkPad E14 Gen 2
  dmi.sys.vendor: LENOVO

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