Hi, I'm having the same issue on my Ideapad 5 as well, but I have the
AMD version. It does seem to work periodically.


          /:-------------:\          j...@ideapad.lan 
       :-------------------::        ---------------- 
     :-----------/shhOHbmp---:\      OS: Fedora 32 (Workstation Edition) x86_64 
   /-----------omMMMNNNMMD  ---:     Host: 81YM IdeaPad 5 14ARE05 
  :-----------sMMMMNMNMP.    ---:    Kernel: 5.7.15-200.fc32.x86_64 
 :-----------:MMMdP-------    ---\   Uptime: 59 mins 
,------------:MMMd--------    ---:   Packages: 1793 (rpm), 12 (flatpak) 
:------------:MMMd-------    .---:   Shell: bash 5.0.17 
:----    oNMMMMMMMMMNho     .----:   Resolution: 1920x1080 
:--     .+shhhMMMmhhy++   .------/   DE: GNOME 3.36.5 
:-    -------:MMMd--------------:    WM: Mutter 
:-   --------/MMMd-------------;     WM Theme: Adwaita 
:-    ------/hMMMy------------:      Theme: Adwaita [GTK2/3] 
:-- :dMNdhhdNMMNo------------;       Icons: Adwaita [GTK2/3] 
:---:sdNMMMMNds:------------:        Terminal: gnome-terminal 
:------:://:-------------::          CPU: AMD Ryzen 7 4700U with Radeon 
Graphics (8) @ 2.000GHz 
:---------------------://            GPU: AMD ATI 05:00.0 Renoir 
                                     Memory: 2445MiB / 15433MiB

xinput list: (when working)
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ xwayland-pointer:17                       id=6    [slave  pointer  (2)]
⎜   ↳ xwayland-relative-pointer:17              id=7    [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ xwayland-keyboard:17                      id=8    [slave  keyboard (3)]

dmesg | grep touch when working otherwise nothing
[    2.055799] hid-multitouch 0018:06CB:CD98.0002: input,hidraw1: I2C HID v1.00 
Mouse [MSFT0004:00 06CB:CD98] on i2c-MSFT0004:00

** Attachment added: "hwe-touchpad"
   
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1878279/+attachment/5403743/+files/acpi.dump

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https://bugs.launchpad.net/bugs/1878279

Title:
  Touchpad not recognized on Lenovo Ideapad 5 14IIL05 81YH

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