group.of.nepali.translators team mailing list archive

[Kamal Mostafa <kamal@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Xenial)
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/1593124

Title:
  Add proper  palm detection support for MS Precision Touchpad

Status in HWE Next:
  Confirmed
Status in HWE Next xenial series:
  Confirmed
Status in Linux:
  Unknown
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  Fix Committed

Bug description:
  Sometimes touchpad doesn't work properly after palm is rejected. The
  pointer either jumping around (described on bugzilla[1]) or doesn't
  move at all (in our cases).

  This problem is introduced with commit:
  25a84db15b3f3a24d3ea7d2baf90693bcff34b0c (HID: multitouch: enable palm
  rejection if device implements confidence usage), by reverting it the
  touchpad can work properly.

  We also contacted with Synaptics, and they provided a workaround to
  fix this issue. Not sure if the workaround will be upstreamed and
  needs to keep co-working with them.

  Commit 25a84db applies to Xenial and Yakkety so only these two release
  were affected.

  The maintainer has provided a patch set to fix this issue and add
  proper palm detection support and the patch set has been merged. We
  also need to introduce this feature to Vivid at OEM's demands.

  [1]: https://bugzilla.kernel.org/show_bug.cgi?id=112791

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