Public bug reported:
Lenovo IdeaPad L-340 upon installing Ubuntu 18.04.2 LTS, all other
laptop inputs work except for touchpad. Touchpad does not respond to
input of any kind - clicks, gestures, or otherwise.
dmesg | grep -i elan
[ 2.987373] i2c_hid i2c-ELAN0625:00: i2c-ELAN0625:00 supply vdd not found,
using dummy regulator
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.18.0-20-generic 4.18.0-20.21~18.04.1
ProcVersionSignature: Ubuntu 4.18.0-20.21~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-20-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Jun 5 23:07:23 2019
InstallationDate: Installed on 2019-05-22 (15 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-hwe
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-signed-hwe (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
** Summary changed:
- touchpad does not respond ELAN0625
+ Touchpad does not respond IdeaPad L340
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https://bugs.launchpad.net/bugs/1831831
Title:
Touchpad does not respond IdeaPad L340
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