@Po-Hsu, can you try the following:
(1) cat /proc/bus/input/devices to find the sysfs path of the clickpad node.
(2) ls that node and check the event number of it
(3) install evtest package and run `evtest /dev/input/eventX` X is the number
from (2)
please post the result back here.
** Changed in: hwe-next
Status: New => Incomplete
** Changed in: linux-lts-utopic (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1439938
Title:
[Dell Inspiron 7746] Tap to click does not work on the clickpad with
14.04.2
Status in HWE Next Project:
Incomplete
Status in linux-lts-utopic package in Ubuntu:
Incomplete
Bug description:
CID: 201408-15456 Dell Inspiron 7746
On the clickpad of this system, user can't:
* double tap to open a directory
* single tap to select a file
* tap with two-fingers to do the right click
* Can't do drag and drop or select multiple files with two fingers (bug
1439608)
And sometimes the cursor can't be moved (you can see from xev that it
will send left click event automatically, hindering the cursor
movement)
ubuntu@201408-15456:~$ xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer
(2)]
⎜ ↳ Logitech USB-PS/2 Optical Mouse id=10 [slave pointer
(2)]
⎜ ↳ ELAN Touchscreen id=12 [slave pointer
(2)]
⎜ ↳ DLL0691:00 06CB:75BE UNKNOWN id=13 [slave pointer
(2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=15 [slave pointer
(2)]
⎣ 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)]
↳ Power Button id=8 [slave
keyboard (3)]
↳ Sleep Button id=9 [slave
keyboard (3)]
↳ Integrated_Webcam_HD id=11 [slave
keyboard (3)]
↳ AT Translated Set 2 keyboard id=14 [slave
keyboard (3)]
↳ Dell WMI hotkeys id=16 [slave
keyboard (3)]
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-33-generic 3.16.0-33.44~14.04.1
ProcVersionSignature: Ubuntu 3.16.0-33.44~14.04.1-generic 3.16.7-ckt7
Uname: Linux 3.16.0-33-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.8
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Apr 2 23:47:18 2015
InstallationDate: Installed on 2015-04-03 (0 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64
(20150218.1)
SourcePackage: linux-lts-utopic
UpgradeStatus: No upgrade log present (probably fresh install)
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