Verification for Focal is needed on this bug. Would someone who has
tested the fix with focal please complete that? Thank you!


This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
https://bugs.launchpad.net/bugs/1853277

Title:
  Lenovo ThinkBook 14-IML Touchpad not showing up in
  /proc/bus/input/devices

Status in linux package in Ubuntu:
  Triaged
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Fix Committed
Status in linux-oem-5.6 source package in Focal:
  Fix Released
Status in linux source package in Groovy:
  Triaged
Status in linux-oem-5.6 source package in Groovy:
  Invalid

Bug description:
  == SRU Justification ==
  [Impact]
  Touchpad on sereval Lenovo ThinkBook doesn't work.

  [Fix]
  Maintain method calling ordering by calling _REG before issuing _STA, as
  ACPI spec suggested, for I2C ACPI devices.

  [Test]
  Positive feedback from several users.

  [Regression Potential]
  If there are some systems that rely on the wrong calling ordering then
  there's a regression risk. However it's rather unlikely.

  == Original Bug Report ==
  This is happening on a ThinkBook 14 IML 20RV.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: linux-image-5.3.0-18-generic 5.3.0-18.19+1
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1848 F.... pulseaudio
  CasperVersion: 1.427
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Nov 20 11:10:52 2019
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  MachineType: LENOVO 20RV
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz 
file=/cdrom/preseed/username.seed quiet splash ---
  RelatedPackageVersions:
   linux-restricted-modules-5.3.0-18-generic N/A
   linux-backports-modules-5.3.0-18-generic  N/A
   linux-firmware                            1.183
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/10/2019
  dmi.bios.vendor: LENOVO
  dmi.bios.version: CJCN21WW
  dmi.board.name: LVA/LVAB
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.modalias: 
dmi:bvnLENOVO:bvrCJCN21WW:bd10/10/2019:svnLENOVO:pn20RV:pvrLenovoThinkBook14-IML:rvnLENOVO:rnLVA/LVAB:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvr:
  dmi.product.family: ThinkBook 14-IML
  dmi.product.name: 20RV
  dmi.product.sku: LENOVO_MT_20RV_BU_idea_FM_ThinkBook 14-IML
  dmi.product.version: Lenovo ThinkBook 14-IML
  dmi.sys.vendor: LENOVO

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