Touchpad of Lenovo Ideapad 3 15IIL not detected after fresh install of Ubuntu 20.04 LTS

[Jomel Christopher Villar]

1) The release of Ubuntu: Ubuntu 20.04.1 LTS
2) The version of the package you are using: N/A
3) What you expected to happen: touchpad is working
4) What happened instead: no response from touchpad, also not found in input devices (see attachment)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-52-generic 5.4.0-52.57
ProcVersionSignature: Ubuntu 5.4.0-52.57-generic 5.4.65
Uname: Linux 5.4.0-52-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.10
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: jomel 1513 F.... pulseaudio
 /dev/snd/controlC0: jomel 1513 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 1 21:10:24 2020
InstallationDate: Installed on 2020-10-27 (5 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: LENOVO 81WE
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-52-generic root=UUID=27f982f1-8efc-4179-b643-3f8783d0c3bb ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.4.0-52-generic N/A
 linux-backports-modules-5.4.0-52-generic N/A
 linux-firmware 1.187.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/10/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: EMCN40WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: NO DPK
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad 3 15IIL05
dmi.modalias: dmi:bvnLENOVO:bvrEMCN40WW:bd08/10/2020:svnLENOVO:pn81WE:pvrIdeaPad315IIL05:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrIdeaPad315IIL05:
dmi.product.family: IdeaPad 3 15IIL05
dmi.product.name: 81WE
dmi.product.sku: LENOVO_MT_81WE_BU_idea_FM_IdeaPad 3 15IIL05
dmi.product.version: IdeaPad 3 15IIL05
dmi.sys.vendor: LENOVO

[Ubuntu Kernel Bot (ubuntu-kernel-bot)]

This change was made by a bot.

[Kai-Heng Feng (kaihengfeng)]

Please test latest mainline kernel:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.10-rc1/amd64/

[Po-Hsu Lin (cypressyew)]

Marked as Incomplete for request in comment #3

[Jomel Christopher Villar (jomelchristophr)]

step: update kernel to Linux 5.10.0-051000rc1-generic
result: touchpad still not detected as input device (/proc/bus/input/devices)

[Kai-Heng Feng (kaihengfeng)]

Please boot 5.10 with kernel parameter "i2c_hid.debug=1" and attach dmesg, thanks!