** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Disco)
Status: New => Fix Committed
** Changed in: linux (Ubuntu Eoan)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1849721
Title:
Raydium Touchscreen on ThinkPad L390 does not work
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Disco:
Fix Committed
Status in linux source package in Eoan:
Fix Committed
Bug description:
== SRU Justification ===
[Impact]
Raydium touchscreen on ThinkPad L390 doesn't work.
[Fix]
Use I2C_HID_QUIRK_NO_IRQ_AFTER_RESET to introduce an extra delay after
resetting the device.
[Test]
User confirmed the touchpad works with the patch.
[Regression Potential]
Low. This fix limits to one device and is quite trivial.
== Original Bug Report ===
I have bought new Lenovo ThinkPad L390 with touchscreen and it works fine on
Windows, but not on Ubuntu.
I've tried Ubuntu LTS 18.4, 19.4 and 19.10. I've tried installing Ubuntu and
running Live USB image, and also other distributions (Manjaro i3, Kubuntu).
There is an Ubuntu certification with the same touchscreen using Ubuntu 18.4:
https://certification.ubuntu.com/hardware/201812-26720
Other info:
- `xinput` is showing touchscreen: "Raydium Touchscreen id=10 [slave pointer
(2)]"
- if I list device props using `xinput list-props 10`, I see device: `Device
Node (277): "/dev/input/event9"`
- `cat /dev/input/event9` does not produce anything
- `xinput --test-xi2 --root` does not produce any touchscreen events, even
though events from other devices are successfully shown
Also, attached `ubuntu-bug` report.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-image-5.3.0-18-generic 5.3.0-18.19+1
ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
Uname: Linux 5.3.0-18-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ubuntu 1821 F.... pulseaudio
CasperVersion: 1.427
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 24 18:32:07 2019
LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: LENOVO 20NRCTO1WW
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=C.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz
file=/cdrom/preseed/username.seed quiet splash ---
RelatedPackageVersions:
linux-restricted-modules-5.3.0-18-generic N/A
linux-backports-modules-5.3.0-18-generic N/A
linux-firmware 1.183
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/12/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: R10ET39W (1.24 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20NRCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrR10ET39W(1.24):bd08/12/2019:svnLENOVO:pn20NRCTO1WW:pvrThinkPadL390:rvnLENOVO:rn20NRCTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad L390
dmi.product.name: 20NRCTO1WW
dmi.product.sku: LENOVO_MT_20NR_BU_Think_FM_ThinkPad L390
dmi.product.version: ThinkPad L390
dmi.sys.vendor: LENOVO
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