Ok, got ome good news!

Thnx to Hans de Geode, Peter Hutterer and Benjamin Tissoires we manged
to figure out how to make this work.

By grabbing the hexadecimal code as found with lsusb: 0x06cb:0x5710
th0ma7@brutus:~$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 005: ID 04f3:0117 Elan Microelectronics Corp.
Bus 002 Device 004: ID 06cb:5710 Synaptics, Inc.
Bus 002 Device 003: ID 0483:91d1 STMicroelectronics
Bus 002 Device 002: ID 1bcf:2c40 Sunplus Innovation Technology Inc.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

In conjunction with the appropriate usb hook (namely usb.quirks) added to the 
kernel boot command we got the "clickpad" to function!
quirk 0x20000000: fully functional
boot option: usbhid.quirks=0x06cb:0x5710:0x20000000

quirk 0x00000200: not working.  Actually needs a full shutdown/boot for the 
device to properly reset.
boot option: usbhid.quirks=0x06cb:0x5710:0x00000200

Patch available at:
http://marc.info/?l=linux-input&m=139905373328180&w=2

Hopefully it will be merged with 3.15-rc4+ and backported to the default
ubuntu kernel.

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https://bugs.launchpad.net/bugs/1312489

Title:
  [HP Split 13-m110ca x2 PC] Touchpad not working

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