Ok ... this took a while ... an a lot of effort, but finally it's done.

The first good commit is this one:

3e9161bfe0482f26efeaf584d5fd69398c69313c - Dmitry Torokhov, Thu Jul 14
09:33:41 2016 -0700 : Revert "Input: wacom_w8001 - drop use of

A diff is attached.

Hopefully I've tagged correctly, the version of the branch with the
commit is still at version 4.6.0 but it is merged three commits later
into the master branch with version 4.7.0-rc7

** Patch added: "wacom_touch.patch"

** Changed in: linux (Ubuntu)
       Status: Incomplete => Confirmed

** Tags removed: kernel-fixed-upstream-4.6 needs-reverse-bisect
** Tags added: kernel-fixed-upstream-4.7.0

** Tags added: patch

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Packages, which is subscribed to linux in Ubuntu.

  wacom touch screen does not recognize finger touch

Status in linux package in Ubuntu:

Bug description:
  After Updating to Xenail, the touch screen does not recognize finger
  touch as input, stylus and eraser are still recognized.

  This bug affects the Wacom Serial Penabled 2FG Touchscreen, which is
  built into the HP EliteBook 2760p and the Lenovo Thinkpad X201. It is
  already reported for other linux distributions.

  See bugreports:
  archlinux: https://bbs.archlinux.org/viewtopic.php?id=215014
  linux kernel: https://bugzilla.kernel.org/show_bug.cgi?id=120011

  xsetwacom lists the devices:
  Wacom Serial Penabled 2FG Touchscreen Pen stylus      id: 13  type: STYLUS
  Wacom Serial Penabled 2FG Touchscreen Finger touch    id: 14  type: TOUCH
  Wacom Serial Penabled 2FG Touchscreen Pen eraser      id: 16  type: ERASER

  a downgrade to Package: linux-image-4.2.0-42-generic 4.2.0-42.49 (from wily) 
brings back the finger touch. xsetwacom lists the available devices slightly 
  littlelion@PC00-C846:~$ xsetwacom list devices
  Wacom Serial Penabled 2FG Touchscreen stylus  id: 13  type: STYLUS    
  Wacom Serial Penabled 2FG Touchscreen eraser  id: 15  type: ERASER    
  Wacom Serial Penabled 2FG Touchscreen touch   id: 16  type: TOUCH     

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-34-generic 4.4.0-34.53
  ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
  Uname: Linux 4.4.0-34-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
   /dev/snd/controlC0:  littlelion   4149 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Aug 15 02:32:09 2016
  HibernationDevice: RESUME=UUID=46ec6e40-eed3-4377-b3e1-4eed675fba2e
  InstallationDate: Installed on 2012-10-16 (1398 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 
  MachineType: Hewlett-Packard HP EliteBook 2760p
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic 
root=UUID=81ff9b66-4d33-49d5-a76f-cf1418c3e354 ro quiet splash vt.handoff=7
   linux-restricted-modules-4.4.0-34-generic N/A
   linux-backports-modules-4.4.0-34-generic  N/A
   linux-firmware                            1.157.3
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-08-06 (8 days ago)
  dmi.bios.date: 08/04/2014
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68SOU Ver. F.50
  dmi.board.name: 162A
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 05.40
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.product.name: HP EliteBook 2760p
  dmi.product.version: A0005F02
  dmi.sys.vendor: Hewlett-Packard

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