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[Pierre Maoui <maouipierre+ubuntuone@xxxxxxxxx>]

I found a solution here : https://bugs.launchpad.net/ubuntu/+source
/xserver-xorg-input-synaptics/+bug/1026046/comments/24

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https://bugs.launchpad.net/bugs/1179656

Title:
  Elantech Touchpad, "AreaBottomEdge  =" parameter not work completly

Status in “xserver-xorg-input-synaptics” package in Ubuntu:
  Confirmed

Bug description:
  I have a laptop "Asus S65CM" with a large Elantech Touchpad. Please
  google it and see the touchpad.

  First problem: the touchpad is not automatically configured in a correct way. So I wrote a script to correct the parameters of "synclient" as enclosed.
  In this way, it work quite well but still a little but annoying bug.
  The parameter "AreaBottomEdge = 1800" is used to reducting the Area of sensibility of the Touchpad. This is true about the movements but it is not true about the "fingers counting". For example, if I let one my finger in the area of the left button, which is suppose to be a death-area, outside "AreaBottom", it suppose to not be considered. But actually if I put also a finger to move the curson in "central" zone the touchpad recognize it as TwoFingers, so is blocking the cursor.
  If think internally is a problem of "button counting" which is performed before than the AreaBottom constrain.

  Parameter settings:
      LeftEdge                = 129
      RightEdge               = 3120
      TopEdge                 = 120
      BottomEdge              = 2103
      FingerLow               = 9
      FingerHigh              = 12
      FingerPress             = 256
      MaxTapTime              = 180
      MaxTapMove              = 173
      MaxDoubleTapTime        = 180
      SingleTapTimeout        = 150
      ClickTime               = 100
      FastTaps                = 1
      EmulateMidButtonTime    = 0
      EmulateTwoFingerMinZ    = 282
      EmulateTwoFingerMinW    = 7
      VertScrollDelta         = 78
      HorizScrollDelta        = 78
      VertEdgeScroll          = 1
      HorizEdgeScroll         = 1
      CornerCoasting          = 0
      VertTwoFingerScroll     = 1
      HorizTwoFingerScroll    = 1
      MinSpeed                = 1.5
      MaxSpeed                = 3.5
      AccelFactor             = 0.1
      TrackstickSpeed         = 40
      EdgeMotionMinZ          = 30
      EdgeMotionMaxZ          = 40
      EdgeMotionMinSpeed      = 100
      EdgeMotionMaxSpeed      = 400
      EdgeMotionUseAlways     = 0
      TouchpadOff             = 2
      LockedDrags             = 0
      LockedDragTimeout       = 5000
      RTCornerButton          = 2
      RBCornerButton          = 3
      LTCornerButton          = 0
      LBCornerButton          = 0
      TapButton1              = 1
      TapButton2              = 3
      TapButton3              = 2
      ClickFinger1            = 1
      ClickFinger2            = 3
      ClickFinger3            = 0
      CircularScrolling       = 0
      CircScrollDelta         = 0.1
      CircScrollTrigger       = 0
      CircularPad             = 0
      PalmDetect              = 1
      PalmMinWidth            = 10
      PalmMinZ                = 200
      CoastingSpeed           = 10
      CoastingFriction        = 50
      PressureMotionMinZ      = 30
      PressureMotionMaxZ      = 160
      PressureMotionMinFactor = 1
      PressureMotionMaxFactor = 1
      ResolutionDetect        = 1
      GrabEventDevice         = 1
      TapAndDragGesture       = 1
      AreaLeftEdge            = 0
      AreaRightEdge           = 0
      AreaTopEdge             = 0
      AreaBottomEdge          = 1800
      HorizHysteresis         = 19
      VertHysteresis          = 19
      ClickPad                = 1
      RightButtonAreaLeft     = 1624
      RightButtonAreaRight    = 0
      RightButtonAreaTop      = 1822
      RightButtonAreaBottom   = 0
      MiddleButtonAreaLeft    = 0
      MiddleButtonAreaRight   = 0
      MiddleButtonAreaTop     = 0
      MiddleButtonAreaBottom  = 0

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: xserver-xorg-input-synaptics 1.6.2-1ubuntu6 [modified: usr/share/X11/xorg.conf.d/50-synaptics.conf]
  ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
  Uname: Linux 3.8.0-19-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Mon May 13 21:44:07 2013
  DistUpgraded: Fresh install
  DistroCodename: raring
  DistroVariant: ubuntu
  InstallationDate: Installed on 2013-05-12 (1 days ago)
  InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: ASUSTeK COMPUTER INC. K56CM
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=86fe6931-c7ff-4e9d-ba8f-1c005736b8cf ro quiet splash vt.handoff=7
  SourcePackage: xserver-xorg-input-synaptics
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 11/19/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: K56CM.209
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: K56CM
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrK56CM.209:bd11/19/2012:svnASUSTeKCOMPUTERINC.:pnK56CM:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnK56CM:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: K56CM
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.43-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.1.1-0ubuntu3
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.1.1-0ubuntu3
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.3-0ubuntu6
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2b2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.1.0-0ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.21.6-0ubuntu4
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.7-0ubuntu1
  xserver.bootTime: Mon May 13 20:16:02 2013
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.3-0ubuntu6
  xserver.video_driver: intel

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