no touch panel dirver not recognised

[y]

I know there has many solution for elantech touch panel ,however it base on the system know it is a elantech touch panel. this panel cannot be recognized. no touch panel in the system setting. and I try xinput:

⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ PDEC3393:00 0B05:8585 id=11 [slave pointer (2)]
⎜ ↳ FTE1000:00 0B05:0101 id=12 [slave pointer (2)]

two strange devices.... I do not even know how to start to solve this problem....it will be really nice if someone can fix it!H
my pc is E200HA ;
I think the touch panel is elantech.
the version of system is ubuntu 15.10.
kernel version is
Linux y-SMBIOS 4.2.0-34-generic #39-Ubuntu SMP Thu Mar 10 22:13:01 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: gnome-terminal 3.16.2-1ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-34.39-generic 4.2.8-ckt4
Uname: Linux 4.2.0-34-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 24 20:58:02 2016
ExecutablePath: /usr/lib/gnome-terminal/gnome-terminal-server
InstallationDate: Installed on 2016-03-19 (4 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
ProcEnviron:
 XDG_RUNTIME_DIR=<set>
 SHELL=/bin/bash
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 LANG=en_AU.UTF-8
SourcePackage: gnome-terminal
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.