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Message #113449
[Bug 1433941] Re: [Lenovo E450] [ALPS touchpad] Multi-touch function of touchpad is useless after 14.04.2 installed.
this commit in mainline should have fixed it:
commit 3808843cf10e4a696d942359d99822eff1a2de8e
Author: Yunkang Tang <yunkang.tang@xxxxxxxxxxx>
Date: Sat Jul 26 13:51:41 2014 -0700
Input: alps - add support for v7 devices
Such as found on the new Toshiba Portégé Z30-A and Z40-A.
Signed-off-by: Yunkang Tang <yunkang.tang@xxxxxxxxxxx>
[hdegoede@xxxxxxxxxx: Remove softbutton handling, this is done in userspace]
[hdegoede@xxxxxxxxxx: Report INPUT_PROP_BUTTONPAD]
[hdegoede@xxxxxxxxxx: Do not report fake PRESSURE, reporting BTN_TOUCH is
enough]
[hdegoede@xxxxxxxxxx: Various cleanups / refactoring]
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
** Changed in: linux-lts-utopic (Ubuntu)
Status: New => In Progress
** Changed in: linux-lts-utopic (Ubuntu)
Importance: Undecided => High
** Changed in: linux-lts-utopic (Ubuntu)
Assignee: (unassigned) => Adam Lee (adam8157)
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https://bugs.launchpad.net/bugs/1433941
Title:
[Lenovo E450] [ALPS touchpad] Multi-touch function of touchpad is
useless after 14.04.2 installed.
Status in HWE Next Project:
New
Status in linux-lts-utopic package in Ubuntu:
In Progress
Bug description:
CID : 201411-16166 Lenovo E450 (I+A) with 14.04.2 (utopic)
CID : 201411-16167 Lenovo E550 (I+A) with 14.04.2 (utopic)
Touchpad : ALPS touchpad: E7=73 03 0a, EC=88 b0 13
Steps:
1. Install 14.04.2 on E450.
2. Try to use muti-touch function of touchpad
Expected result:
Multi-touch works normally.
Actual result:
Multi-touch function of touchpad is useless after 14.04.2 installed.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.16.0-30-generic 3.16.0-30.40~14.04.1 [modified: boot/vmlinuz-3.16.0-30-generic]
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Mar 19 03:55:25 2015
InstallationDate: Installed on 2015-03-16 (2 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)
---
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: u 1720 F.... pulseaudio
/dev/snd/controlC1: u 1720 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=76f01f63-3dd9-4798-aef1-1850bdeaa2a6
InstallationDate: Installed on 2015-03-23 (15 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: LENOVO 20DFZ0V6US
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-31-generic root=UUID=76512549-0af0-4c73-a698-b0cd65896384 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.16.0-31.43~14.04.1-generic 3.16.7-ckt5
RelatedPackageVersions:
linux-restricted-modules-3.16.0-31-generic N/A
linux-backports-modules-3.16.0-31-generic N/A
linux-firmware 1.127.11
Tags: trusty
Uname: Linux 3.16.0-31-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 11/11/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: J5ET39WW (1.10 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20DFZ0V6US
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrJ5ET39WW(1.10):bd11/11/2014:svnLENOVO:pn20DFZ0V6US:pvrThinkPadE550:rvnLENOVO:rn20DFZ0V6US:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20DFZ0V6US
dmi.product.version: ThinkPad E550
dmi.sys.vendor: LENOVO
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