Below commits should be related.

commit 73c75d395857960ea135913da7bb9537248a11e6
Author: Hans de Goede <>
Date:   Fri Aug 4 15:31:04 2017 +0200

    HID: asus: Add T100CHI bluetooth keyboard dock touchpad support
    Put the touchpad in native (absolute coordinate mode) and export it to
    userspace as a touchpad rather then as a mouse.
    Note this requires HID_QUIRK_MULTI_INPUT as the T100CHI keyboard dock
    has all functionality on a single HID interface and userspace expects
    touchpads to be on a separate input_dev. Without MULTI_INPUT userspace
    will ignore the keyboard part of the keyboard/touchpad combo.
    Signed-off-by: Hans de Goede <>
    Signed-off-by: Jiri Kosina <>

commit 5703e52cc711bc01e72cf12b86a126909c79d213
Author: Hans de Goede <>
Date:   Sun Jul 2 16:34:15 2017 +0200

    HID: asus: Add T100CHI bluetooth keyboard dock special keys mapping
    The Asus Transformer T100CHI comes with a Bluetooth keyboard dock which
    uses the same 0xff31 Asus vendor HUT page as other Asus keyboards.
    This commit adds its device-id to hid-asus and fixes an issue in the
    descriptor of the 0xff31 Usage, which together fixes the special keys
    on this keyboard not working.
    Signed-off-by: Hans de Goede <>
    Signed-off-by: Jiri Kosina <>

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  [ELAN 3320KD-3100] Asus T300 CHI bluetooth Touchpad is recognized

Status in libinput:
Status in Linux:
Status in xinput package in Ubuntu:

Bug description:
  Moved the touchscreen issues to bug #1574341 "[Asus T300 CHI]
  Synaptics Touch Digitizer V04 - no multitouch".

  The Asus T300 CHI has a touchscreen and a (bluetooth) keyboard/touchpad combo.
  Both (touchscreen, touchpad) only work like a mouse (moving pointer, left and 
right click), scrolling, zooming, etc. is not working.
  the keyboard works fine.

  relevant  content of  /proc/bus/input/devices:

  I: Bus=0003 Vendor=06cb Product=11f0 Version=0111
  N: Name="SYNAPTICS Synaptics Touch Digitizer V04"
  P: Phys=usb-0000:00:14.0-7/input0
  U: Uniq=
  H: Handlers=mouse1 event9
  B: PROP=2
  B: EV=b
  B: KEY=400 0 0 0 0 0
  B: ABS=260800000000003

  I: Bus=0003 Vendor=06cb Product=11f0 Version=0111
  N: Name="SYNAPTICS Synaptics Touch Digitizer V04 Pen"
  P: Phys=usb-0000:00:14.0-7/input0
  U: Uniq=
  H: Handlers=mouse2 event10
  B: PROP=0
  B: EV=1b
  B: KEY=c03 1 0 0 0 0
  B: ABS=1000003
  B: MSC=10


  I: Bus=0005 Vendor=0b05 Product=8502 Version=0001
  P: Phys=34:02:86:7b:3b:9d
  U: Uniq=1c:b7:2c:15:94:8b
  H: Handlers=sysrq kbd mouse3 event17
  B: PROP=0
  B: EV=12001f
  B: KEY=20 0 0 2000 40000000000000 30000 1000002000007 ff9f387ad9405fff 
febeffdfffefffff fffffffffffffffe
  B: REL=303
  B: ABS=70000000000
  B: MSC=10
  B: LED=1f

  output of  xinput --list:

  ⎡ Virtual core pointer                        id=2    [master pointer  (3)]
  ⎜   ↳ Virtual core XTEST pointer                      id=4    [slave  pointer 
  ⎜   ↳ B16_b_02 USB-PS/2 Optical Mouse                 id=9    [slave  pointer 
  ⎜   ↳ HID 0566:3108                                   id=11   [slave  pointer 
  ⎜   ↳ SYNAPTICS Synaptics Touch Digitizer V04 Pen     id=14   [slave  pointer 
  ⎜   ↳ SYNAPTICS Synaptics Touch Digitizer V04         id=15   [slave  pointer 
  ⎜   ↳ ASUS T300CHI DOCKING                            id=18   [slave  pointer 
  ⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
      ↳ Virtual core XTEST keyboard                     id=5    [slave  
keyboard (3)]
      ↳ Power Button                                    id=6    [slave  
keyboard (3)]
      ↳ Video Bus                                       id=7    [slave  
keyboard (3)]
      ↳ Sleep Button                                    id=8    [slave  
keyboard (3)]
      ↳ HID 0566:3108                                   id=10   [slave  
keyboard (3)]
      ↳ C-Media Electronics Inc. USB Multimedia Audio Device    id=12   [slave  
keyboard (3)]
      ↳ USB2.0 HD UVC WebCam                            id=13   [slave  
keyboard (3)]
      ↳ Asus WMI hotkeys                                id=16   [slave  
keyboard (3)]
      ↳ AT Translated Set 2 keyboard                    id=17   [slave  
keyboard (3)]

  output of synclient is:
  Couldn't find synaptics properties. No synaptics driver loaded?

  but I'm unsure if the synaptics driver is the right place to look
  since basic functionality is working and the "ASUS T300CHI DOCKING" is
  recognized as "pointer"

  it seems that the device is recognized by the kernel but only used as a 
pointing device.
  I've also attached the xorg.log

  output of uname -a:
  Linux xxxxxxx 3.19.0-25-generic #26-Ubuntu SMP Fri Jul 24 21:17:31 UTC 2015 
x86_64 x86_64 x86_64 GNU/Linux

  it's a completely fresh install of xubuntu 15.04 with software-updater run 
once (so no strange hacks or drivers installed)
  output of lsb_release -rd:
  Description:  Ubuntu 15.04
  Release:      15.04

  output of apt-cache policy xinput
    Installed: 1.6.1-1
    Candidate: 1.6.1-1
    Version table:
   *** 1.6.1-1 0
          500 vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  expected results:
  - scrolling on touchpad and touchscreen should work with a two-finger gesture
  - zooming on touchpad and touchscreen should work with a two-finger gesture

  actual results:
  two fingers are not recognized on touchscreen or touchpad

  Any help would be appreciated, if you need more console output or
  logs, please let me know.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xinput 1.6.1-1
  ProcVersionSignature: Ubuntu 3.19.0-25.26-generic 3.19.8-ckt2
  Uname: Linux 3.19.0-25-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sun Aug  2 16:14:24 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2015-08-02 (0 days ago)
  InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  SourcePackage: xinput
  UpgradeStatus: No upgrade log present (probably fresh install)

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