[Bug 1802135] Re: broken touchpad after i2c-i801 blacklist change

[chad billman]

Before we were able find the cause of our trackpad issue we tried a
number of different things. I noticed that the 4.19 mainline kernel
seemed to work fine even with i2c_i801 loaded. Maybe this is actually a
kernel bug?

I opened the bug report here because it seemed like a regression to
ubuntu stable for our hardware. The trackpad worked prior to installing
the updated kmod package.

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https://bugs.launchpad.net/bugs/1802135

Title:
  broken touchpad after i2c-i801 blacklist change

Status in kmod package in Ubuntu:
  New

Bug description:
  After upgrading to kmod (24-1ubuntu3.1) the trackpads stop working on
  Lenovo 11e 2nd gen machines.

  We have a fleet of approximetly 1000 of them in production running
  ubuntu 18.04. Prior to this update the trackpads worked out of box in
  18.04.

  We are currently working around the issue by deploying our own
  blacklist files.

  Here is a link to the SRU justification: https://bugs.launchpad.net
  /hwe-next/+bug/1786574

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