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[Alessio Treglia <quadrispro@xxxxxxxxxx>]

This affects my laptop (Lenovo Yoga 3 11.6" 2-in-1):

ubuntu@ubuntu:~$ lsusb
Bus 001 Device 002: ID 8087:8001 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 006: ID 8087:07dc Intel Corp. 
Bus 002 Device 005: ID 1bcf:2c43 Sunplus Innovation Technology Inc. 
Bus 002 Device 004: ID 04f3:2052 Elan Microelectronics Corp. 
Bus 002 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 002 Device 002: ID 058f:6387 Alcor Micro Corp. Flash Drive
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Presumably the touchpad is the following line then:
  Bus 002 Device 004: ID 04f3:2052 Elan Microelectronics Corp. 

Excerpt of /proc/bus/input/devices:

I: Bus=0018 Vendor=04f3 Product=0400 Version=0100
N: Name="ELAN0600:00 04F3:0400"
P: Phys=
S: Sysfs=/devices/pci0000:00/INT3433:00/i2c-8/i2c-ELAN0600:00/0018:04F3:0400.0003/input/input13
U: Uniq=
H: Handlers=mouse1 event12 
B: PROP=0
B: EV=17
B: KEY=30000 0 0 0 0
B: REL=143
B: MSC=10

The touchscreen works fine, as well as both left and right clicks. Just
the multitouch doesn't work at all.

More details on the system:

ubuntu@ubuntu:~$ uname -a
Linux ubuntu 3.16.0-23-generic #31-Ubuntu SMP Tue Oct 21 17:56:17 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
ubuntu@ubuntu:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 14.10
Release:	14.10
Codename:	utopic

Also I grepped syslog for elan:
ubuntu@ubuntu:~$ grep -i elan /var/log/syslog 
Feb 17 01:53:37 ubuntu kernel: [   17.373586] usb 2-5: Manufacturer: ELAN
Feb 17 01:53:38 ubuntu kernel: [   28.061105] input: ELAN Touchscreen as /devices/pci0000:00/0000:00:14.0/usb2/2-5/2-5:1.0/0003:04F3:2052.0001/input/input11
Feb 17 01:53:38 ubuntu kernel: [   28.067747] hid-multitouch 0003:04F3:2052.0001: input,hiddev0,hidraw0: USB HID v1.10 Device [ELAN Touchscreen] on usb-0000:00:14.0-5/input0
Feb 17 01:53:38 ubuntu kernel: [   28.272108] i2c_hid i2c-ELAN0600:00: error in i2c_hid_init_report size:633 / ret_size:7
Feb 17 01:53:38 ubuntu kernel: [   28.274418] i2c_hid i2c-ELAN0600:00: error in i2c_hid_init_report size:69 / ret_size:7
Feb 17 01:53:38 ubuntu kernel: [   28.274589] input: ELAN0600:00 04F3:0400 as /devices/pci0000:00/INT3433:00/i2c-8/i2c-ELAN0600:00/0018:04F3:0400.0003/input/input13
Feb 17 01:53:38 ubuntu kernel: [   28.275039] hid-generic 0018:04F3:0400.0003: input,hidraw1: <UNKNOWN> HID v1.00 Mouse [ELAN0600:00 04F3:0400] on 


AFAICS the issue still affects Vivid too.

** Changed in: linux (Ubuntu)
       Status: Fix Released => Confirmed

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https://bugs.launchpad.net/bugs/1166442

Title:
  Elantech clickpad/touchpad lacks multitouch features.

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Precise:
  Fix Released
Status in linux source package in Quantal:
  Fix Released
Status in linux source package in Raring:
  Fix Released
Status in linux source package in Saucy:
  Fix Released
Status in linux package in Arch Linux:
  New

Bug description:
  Newer versions of the Elantech multitouch trackpad are not fully
  supported in Linux.  These appear in many of the newer Samsung
  laptops, for example.  elantech.c in the kernel needs to be updated to
  support these models (up to v7 perhaps?)

  This bug is confirmed to affect a range of samsung laptops running
  Ubuntu 12.04 and newer, ArchLinux, Fedora and also affects the current
  (3.9) upstream kernel.

  A dkms package was produced in 2011 (see
  https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
  intel/+bug/681904/comments/64) which may fix certain older laptops
  affected by this issue, but doesn't fix newer models.

  == Original Report ==

  Hello,

  So far I've been having a problem with my Elantech multitouch trackpad in Linux. Basically all i get is right click, left click, and tap to click, along with basic  movement. The problem seems to be rooted in improper detection of the trackpad, likely b/c its a new revision or whatnot. Of note is that working elantech trackpads of the past in forums i scouted through show up as "ETPS/2 Elantech Touchpad". Mine just shows up in xinput as "PS/2 Elantech Touchpad". I think this might be a simple fix in the end, just improper detection, I hope. For reference, I've tried kernel 3.5 on Ubuntu 12.10 and kernel 3.8.0-17 on Ubuntu 13.04 thus far, with all combinations of psmouse.
  ------------------------------------------------------------------------------------------
  What's expected: touchpad multitouch support
  What happened: basic touchpad support
  Laptop mode: Samsung Series 7 NP780 series
  Ubuntu distro(s) tested: Ubuntu 12.10, Ubuntu 13.04
  Kernels used: 3.5 signed (Ubuntu 12.10 default), 3.8.0-16, 3.8.0-17 signed
  Other tests: Attempted using psmouse-elantech-v6, psmouse-alps, and psmouse-alps-dst. No improvements so removed.

  synclient -l reports "Couldn't find synaptics properties. No synaptics driver loaded?"
  ------------------------------------------------------------------------------------------
  See attached for more info. Ask anything you need!
  ---
  ApportVersion: 2.9.2-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gscoppino   2272 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=f683852c-7aa0-4f32-8b86-56f0a018989d
  InstallationDate: Installed on 2013-04-06 (3 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 770Z5E/780Z5E/870Z5E/880Z5E
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-17-generic.efi.signed root=UUID=cf39fbe5-c8ff-4d16-b11e-a41a4f3ae955 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-17-generic N/A
   linux-backports-modules-3.8.0-17-generic  N/A
   linux-firmware                            1.104
  StagingDrivers: rts5139
  Tags:  raring staging
  Uname: Linux 3.8.0-17-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-04-06 (3 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 02/26/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P03ABU.139.130226.SK
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: NP780Z5E-S01UB
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: SEC_SW_REVISION_1234567890ABCD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP03ABU.139.130226.SK:bd02/26/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn770Z5E/780Z5E/870Z5E/880Z5E:pvrP03ABU:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP780Z5E-S01UB:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: 770Z5E/780Z5E/870Z5E/880Z5E
  dmi.product.version: P03ABU
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
  ---
  ApportVersion: 2.9.2-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gscoppino   2272 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=f683852c-7aa0-4f32-8b86-56f0a018989d
  InstallationDate: Installed on 2013-04-06 (3 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 770Z5E/780Z5E/870Z5E/880Z5E
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-17-generic.efi.signed root=UUID=cf39fbe5-c8ff-4d16-b11e-a41a4f3ae955 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-17-generic N/A
   linux-backports-modules-3.8.0-17-generic  N/A
   linux-firmware                            1.104
  StagingDrivers: rts5139
  Tags:  raring staging
  Uname: Linux 3.8.0-17-generic x86_64
  UpgradeStatus: Upgraded to raring on 2013-04-06 (3 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 02/26/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P03ABU.139.130226.SK
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: NP780Z5E-S01UB
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: SEC_SW_REVISION_1234567890ABCD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP03ABU.139.130226.SK:bd02/26/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn770Z5E/780Z5E/870Z5E/880Z5E:pvrP03ABU:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP780Z5E-S01UB:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: 770Z5E/780Z5E/870Z5E/880Z5E
  dmi.product.version: P03ABU
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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