[Bug 1786574] Re: remove i2c-i801 from blacklist

[AaronMa]

Resume issue should be fixed by kernel driver or other WA than blacklist
a kernel module.

If the nc6000 issue is still happened on current kernel, please use the
following systemd script to fix it.

/lib/systemd/system-sleep/i2c-i801-reload.sh
#!/bin/sh
case $1 in
  pre)
    modprobe -r i2c-i801
    ;;
  post)
    modprobe i2c-i801
    ;;
esac

%sudo chmod a+x /lib/systemd/system-sleep/i2c-i801-reload.sh

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https://bugs.launchpad.net/bugs/1786574

Title:
  remove i2c-i801 from blacklist

Status in HWE Next:
  New
Status in OEM Priority Project:
  New
Status in kmod package in Ubuntu:
  Confirmed
Status in kmod source package in Xenial:
  Confirmed
Status in kmod source package in Bionic:
  Confirmed
Status in kmod source package in Cosmic:
  Confirmed

Bug description:
  We have a Lenovo Thinkpad machine that requires i2c-i801 kernel module
  to work, but it is listed in /etc/modprobe/blacklist.conf in Ubuntu.
  To use the touchpad, users have to remove the i2c-i801 line manually.

  i2c-i801 in blacklist.conf is a very old workaround to fix HP compaq nc6000
  (Bug #16602), this module should be removed from blacklist.

  There is also another bug (Bug #1475945) that needs this module for
  Acer trackpad to work.

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