[Fujitsu UH-X] track pad/touch pad is not detected

[thong pham huy]

Laptop: Fujitsu UH-X, Intel I5-1135G7
OS: Ubuntu 20.4
Kernel: 5.8.0-50-generic
The track pad is not detected
xinput list:

 Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ CX 2.4G Receiver Consumer Control id=10 [slave pointer (2)]
⎜ ↳ CX 2.4G Receiver Mouse id=12 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
    ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
    ↳ Fujitsu FUJ02E3 id=6 [slave keyboard (3)]
    ↳ Video Bus id=7 [slave keyboard (3)]
    ↳ Power Button id=8 [slave keyboard (3)]
    ↳ CX 2.4G Receiver id=9 [slave keyboard (3)]
    ↳ CX 2.4G Receiver System Control id=11 [slave keyboard (3)]
    ↳ FJ Camera: FJ Camera id=13 [slave keyboard (3)]
    ↳ Intel HID events id=14 [slave keyboard (3)]
    ↳ Intel HID 5 button array id=15 [slave keyboard (3)]
    ↳ AT Translated Set 2 keyboard id=16 [slave keyboard (3)]
    ↳ CX 2.4G Receiver Consumer Control id=17 [slave keyboard (3)]

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.8.0-50-generic 5.8.0-50.56~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-50.56~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-50-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 25 18:12:47 2021
InstallationDate: Installed on 2021-04-24 (0 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
SourcePackage: linux-signed-hwe-5.8
UpgradeStatus: No upgrade log present (probably fresh install)