Public bug reported:

Very often clickpad use to not detect taps (then I have to tap several times to
make things done). Another time clickpad thinks somehow that single tap was
already done (without any actions/touching on the device) and when I'm trying
to move cursor (with single tap), device treats this like double tap (then I'm 
grabbing the icon
witch I don't want to grab or marking text witch I don't want to mark).

This issue can be reduced by setting "Synaptics Tap FastTap" to 1. But the bug
still exists.

This was tested on kernel versions: 3.5.0-18 and 3.7.x. Ubuntu 12.10.
Asus UX31A.

I've attached file witch contains print from the "xinput --list-props 12"
command.
I've recently added this bug to kernel bugzilla because I don't know is this 
xorg-synaptics issue or elantech driver issue 
(https://bugzilla.kernel.org/show_bug.cgi?id=52551).

** Affects: xserver-xorg-input-synaptics (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "Print from the "xinput --list-props 12" command"
   https://bugs.launchpad.net/bugs/1097960/+attachment/3478514/+files/xinput.txt

** Description changed:

  Very often clickpad use to not detect taps (then I have to tap several times 
to
  make things done). Another time clickpad thinks somehow that single tap was
  already done (without any actions/touching on the device) and when I'm trying
  to move cursor (with single tap), device treats this like double tap (then 
I'm grabbing the icon
  witch I don't want to grab or marking text witch I don't want to mark).
  
  This issue can be reduced by setting "Synaptics Tap FastTap" to 1. But the bug
  still exists.
  
  This was tested on kernel versions: 3.5.0-18 and 3.7.x. Ubuntu 12.10.
  Asus UX31A.
  
  I've attached file witch contains print from the "xinput --list-props 12"
  command.
- I've recently added this bug to kernel bugzilla because I don't know is this 
xorg-synaptics issue or elantech driver issue.
+ I've recently added this bug to kernel bugzilla because I don't know is this 
xorg-synaptics issue or elantech driver issue 
(https://bugzilla.kernel.org/show_bug.cgi?id=52551).

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https://bugs.launchpad.net/bugs/1097960

Title:
  Elantech clickpad tap fluctuations on Asus UX31A

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