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[Stefan Bader <stefan.bader@xxxxxxxxxxxxx>]

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

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

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https://bugs.launchpad.net/bugs/1712481

Title:
  HID: multitouch: Support ALPS PTP Stick and Touchpad devices

Status in HWE Next:
  In Progress
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Xenial:
  New
Status in linux source package in Zesty:
  New

Bug description:
  [Impact]
  Support to ALPS PTP Stick and Touchpad devices found on latest Dell Latitude systems.

  [Fix]
  This fix in two parts:
  1. Requires cherry-pick of patch submitted by ALPS in upstream kernel 4.13
  See: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v4.13-rc6&id=504c932c7c47a6b4c572302a13873f7d83af1ff3

  2. Additional sauce patch adds the device-id of the new PTP stick. This
  patch is already submitted to linux-input and is pending review.
  See: http://marc.info/?l=linux-input&m=150235885218076&w=2

  [Test Case]
  Verified on the systems affected with this issue and confirmed that this solution works.

  [Regression Potential]
  The patch adds new device ids to hid multi-touch driver. With strict conditional filtering based on these device-ids, regression potential is minimal.

  This bug is used for tracking purposes, please do not triage.

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