Sorry that it is taking so long to fix this. There have been several
attempts at fixing this upstream already, but all of them had to be
reverted/dropped because they were causing issues on other laptop
models.

The latest attempt at fixing this is here:
https://lore.kernel.org/linux-pci/20220512202511.34197-2-hdego...@redhat.com/

And this patch, or something close to it will hopefully go upstream
soon.

Perhaps one of the Ubuntu kernel devs can provide a test kernel with
this patch for Ubuntu users with this problem to test?

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1932069

Title:
  Touchpad not working at all

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Notebook Lenovo BS-145 15 HL

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: linux-image-5.11.0-18-generic 5.11.0-18.19
  ProcVersionSignature: Ubuntu 5.11.0-18.19-generic 5.11.17
  Uname: Linux 5.11.0-18-generic x86_64
  ApportVersion: 2.20.11-0ubuntu65.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  cesar      1314 F.... pulseaudio
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jun 15 16:36:11 2021
  InstallationDate: Installed on 2021-06-15 (0 days ago)
  InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 174f:1176 Syntek Integrated Camera
   Bus 001 Device 005: ID 10c4:8105 Silicon Labs USB OPTICAL MOUSE
   Bus 001 Device 004: ID 8087:0aaa Intel Corp. Bluetooth 9460/9560 Jefferson 
Peak (JfP)
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: LENOVO 82HB
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.11.0-18-generic 
root=UUID=2ff10f98-8e1f-42ac-98b7-284459b8d285 ro quiet splash vt.handoff=7
  RebootRequiredPkgs: gnome-shell
  RelatedPackageVersions:
   linux-restricted-modules-5.11.0-18-generic N/A
   linux-backports-modules-5.11.0-18-generic  N/A
   linux-firmware                             1.197.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/23/2020
  dmi.bios.release: 1.51
  dmi.bios.vendor: LENOVO
  dmi.bios.version: DKCN51WW
  dmi.board.asset.tag: NO Asset Tag
  dmi.board.name: LNVNB161216
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.asset.tag: NO Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Lenovo BS145-15IIL
  dmi.ec.firmware.release: 1.51
  dmi.modalias: 
dmi:bvnLENOVO:bvrDKCN51WW:bd12/23/2020:br1.51:efr1.51:svnLENOVO:pn82HB:pvrLenovoBS145-15IIL:rvnLENOVO:rnLNVNB161216:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrLenovoBS145-15IIL:
  dmi.product.family: BS145-15IIL
  dmi.product.name: 82HB
  dmi.product.sku: LENOVO_MT_82HB_BU_idea_FM_BS145-15IIL
  dmi.product.version: Lenovo BS145-15IIL
  dmi.sys.vendor: LENOVO

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