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

[Anthony Wong]

** Description changed:

- Touchpad of Yoda2 doesn't work well via PS/2 mode, most time the data is
- lost sync via PS/2.
+ 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.
  
- I have made a patch in upstream/Ubuntu 4.15/4.13 kernels to force
- touchpad using SMBus mode.
- SMBus mode requires i2c-i801 kernel module which is in modprobe
- blacklist in Ubuntu 18.04/16.04. User has to remove i2c-i801 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.
  
- i2c-i801 in blacklist 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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https://bugs.launchpad.net/bugs/1786574

Title:
  remove i2c-i801 from blacklist

Status in HWE Next:
  New
Status in kmod package in Ubuntu:
  New

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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