Touchpad incorrectly detected as PS/2 mouse in 'Galago Pro 5' after the kernel upgrade.

[Mark A Gerads]

Computer model 'galp5'.
The issue started after updating everything, including the kernel.

ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: linux-image-5.13.0-39-generic 5.13.0-39.44
ProcVersionSignature: Ubuntu 5.13.0-39.44-generic 5.13.19
Uname: Linux 5.13.0-39-generic x86_64
ApportVersion: 2.20.11-0ubuntu71.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: mark 1360 F.... pulseaudio
CurrentDesktop: KDE
Date: Mon Apr 4 20:24:07 2022
InstallationDate: Installed on 2022-04-03 (1 days ago)
InstallationMedia:

Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 5986:9102 Acer, Inc BisonCam,NB Pro
 Bus 001 Device 005: ID 3938:1031 MOSART Semi. 2.4G Wireless Mouse
 Bus 001 Device 004: ID 8087:0026 Intel Corp.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System76 Galago Pro
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-39-generic root=/dev/mapper/vgkubuntu-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-5.13.0-39-generic N/A
 linux-backports-modules-5.13.0-39-generic N/A
 linux-firmware 1.201.5
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/20/2021
dmi.bios.release: 4.13
dmi.bios.vendor: coreboot
dmi.bios.version: 2021-07-20_93c2809
dmi.board.name: Galago Pro
dmi.board.vendor: System76
dmi.board.version: galp5
dmi.chassis.type: 9
dmi.chassis.vendor: System76
dmi.ec.firmware.release: 0.0
dmi.modalias: dmi:bvncoreboot:bvr2021-07-20_93c2809:bd07/20/2021:br4.13:efr0.0:svnSystem76:pnGalagoPro:pvrgalp5:rvnSystem76:rnGalagoPro:rvrgalp5:cvnSystem76:ct9:cvr:sku:
dmi.product.name: Galago Pro
dmi.product.version: galp5
dmi.sys.vendor: System76

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

This change was made by a bot.

[Mark A Gerads (nazgand)]

I completely reinstalled Kubuntu, then ran:
sudo apt update
sudo apt upgrade
sudo apt install neofetch
I rebooted, and the Touchpad is still detected, ran neofetch:
           `.:/ossyyyysso/:. mark@mark-Galago-Pro
        .:oyyyyyyyyyyyyyyyyyyo:` --------------------
      -oyyyyyyyodMMyyyyyyyysyyyyo- OS: Kubuntu 21.10 x86_64
    -syyyyyyyyyydMMyoyyyydmMMyyyyys- Host: Galago Pro galp5
   oyyysdMysyyyydMMMMMMMMMMMMMyyyyyyyo Kernel: 5.13.0-39-generic
 `oyyyydMMMMysyysoooooodMMMMyyyyyyyyyo` Uptime: 6 mins
 oyyyyyydMMMMyyyyyyyyyyyysdMMysssssyyyo Packages: 1969 (dpkg)
-yyyyyyyydMysyyyyyyyyyyyyyysdMMMMMysyyy- Shell: bash 5.1.8
oyyyysoodMyyyyyyyyyyyyyyyyyyydMMMMysyyyo Resolution: 1920x1080
yyysdMMMMMyyyyyyyyyyyyyyyyyyysosyyyyyyyy DE: Plasma 5.22.5
yyysdMMMMMyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy WM: KWin
oyyyyysosdyyyyyyyyyyyyyyyyyyydMMMMysyyyo Theme: Breeze Light [Plasma], Breeze [GTK2/3]
-yyyyyyyydMysyyyyyyyyyyyyyysdMMMMMysyyy- Icons: breeze [Plasma], breeze [GTK2/3]
 oyyyyyydMMMysyyyyyyyyyyysdMMyoyyyoyyyo Terminal: konsole
 `oyyyydMMMysyyyoooooodMMMMyoyyyyyyyyo CPU: 11th Gen Intel i5-1135G7 (8) @ 4.200GHz
   oyyysyyoyyyysdMMMMMMMMMMMyyyyyyyyo GPU: Intel TigerLake-LP GT2 [Iris Xe Graphics]
    -syyyyyyyyydMMMysyyydMMMysyyyys- Memory: 1584MiB / 39969MiB
      -oyyyyyyydMMyyyyyyysosyyyyo-
        ./oyyyyyyyyyyyyyyyyyyo/.
           `.:/oosyyyysso/:.`

Thus I do not know how to reproduce the error.

[Mark A Gerads (nazgand)]

In /proc/bus/input/devices, the correct info is:
I: Bus=0018 Vendor=2808 Product=0101 Version=0100
N: Name="PNP0C50:00 2808:0101 Touchpad"
P: Phys=i2c-PNP0C50:00
S: Sysfs=/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-1/i2c-PNP0C50:00/0018:2808:0101.0001/input/input16
U: Uniq=
H: Handlers=mouse1 event11
B: PROP=5
B: EV=1b
B: KEY=e520 10000 0 0 0 0
B: ABS=2e0800000000003
B: MSC=20