Comment 0 for bug 1912880

My touchpad is not recognized at all in xinput or libinput list-devices.
There are however some lines mentioned in dmesg about MSFT, Mouse and PS/2 which I think is the touchpad.

[ 0.004374] ACPI: SSDT 0x00000000C968F000 007216 (v02 LENOVO AmdTable 00000002 MSFT 04000000)
[ 1.009575] i2c_hid i2c-MSFT0001:00: supply vdd not found, using dummy regulator
[ 1.009599] i2c_hid i2c-MSFT0001:00: supply vddl not found, using dummy regulator
[ 1.010058] i2c_hid i2c-MSFT0001:00: hid_descr_cmd failed

[ 0.910718] hid-generic 0018:056A:5214.0001: input,hidraw0: I2C HID v1.00 Mouse [WACF2200:00 056A:5214] on i2c-WACF2200:00

[ 0.602905] i8042: PNP: PS/2 Controller [PNP0303:KBD0] at 0x60,0x64 irq 1
[ 0.602905] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp
[ 0.604083] mousedev: PS/2 mouse device common for all mice

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.8.0-40-generic 5.8.0-40.45~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-40.45~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.14
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat Jan 23 09:19:23 2021
InstallationDate: Installed on 2021-01-06 (16 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
SourcePackage: linux-signed-hwe-5.8
UpgradeStatus: No upgrade log present (probably fresh install)