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!


** Tags added: verification-needed-focal

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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/1908335

Title:
  [SRU][F/G/H/U/OEM-5.6] Fix i2c report error on elan trackpoint

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  In Progress
Status in linux-oem-5.10 package in Ubuntu:
  New
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Fix Committed
Status in linux-oem-5.10 source package in Focal:
  New
Status in linux-oem-5.6 source package in Focal:
  Fix Committed
Status in linux source package in Groovy:
  Fix Committed
Status in linux-oem-5.10 source package in Groovy:
  New
Status in linux-oem-5.6 source package in Groovy:
  Invalid
Status in linux source package in Hirsute:
  In Progress
Status in linux-oem-5.10 source package in Hirsute:
  New
Status in linux-oem-5.6 source package in Hirsute:
  Invalid

Bug description:
  [Impact]
  New elan trackpoint on elan_i2c reports the following error:
  "failed to read report data: -71"
  it failed to work.

  [Fix]
  Add new report type support and fix protocol errors for some trackpoints in 
SMBus mode.

  [Test Case]
  Touchpad and trackpoint work well.
  Verified on 3 other models of ThinkPads with elan touchpad loaded.
  All good.

  [Where problems could occur]
  elan touchpad and trackpoint may not work.

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