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[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

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

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

** Also affects: linux (Ubuntu Xenial)
   Importance: Medium
     Assignee: Phidias (phidias-chiang)
       Status: Triaged

** Changed in: linux (Ubuntu Xenial)
       Status: Triaged => Fix Released

** Changed in: linux (Ubuntu Wily)
     Assignee: (unassigned) => Phidias (phidias-chiang)

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

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

** Changed in: linux (Ubuntu Vivid)
     Assignee: (unassigned) => Phidias (phidias-chiang)

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https://bugs.launchpad.net/bugs/1515503

Title:
  Need support for some buggy Synaptics RMI4 device

Status in HWE Next:
  Triaged
Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Vivid:
  Fix Committed
Status in linux source package in Wily:
  Fix Committed
Status in linux source package in Xenial:
  Fix Released

Bug description:
  [Impact]

  Some RMI4 touchpad doesn't work properly even the probing returns no
  error. Further investigation shows the interrupt doesn't increase at
  all. There's already a public bug and the patch is already upstreamed:

  https://bugs.freedesktop.org/show_bug.cgi?id=91102

  [Fix]

  There's a fix contains in v4.3-rc1 and has already been tested:

  commit 9a98b3387e7bd9af5a6495b32e07d6f25071f4ba
  Author:     Andrew Duggan <aduggan@xxxxxxxxxxxxx>
  AuthorDate: Thu Jul 16 17:14:00 2015 -0700
  Commit:     Jiri Kosina <jkosina@xxxxxxxx>
  CommitDate: Fri Jul 17 11:29:53 2015 +0200

      HID: rmi: Set F01 interrupt enable register when not set

  Note:
    So far the platform we encounter with this issue use GPIO interrupt, so it also needs 3.19.0-32 or Wily kernel to work too.

  [Test]

  1. Boot with v4.3-rc1 -> pass
  2. Boot with patched Vivid kernel -> pass
  3. Boot with patched Wily kernel -> pass

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