Legion 5 laptop with AMD - best I could do is add "blacklist hid_multitouch" to /etc/modprobe.d/blacklist.conf , it got the mouse to move but stutters a lot.
[ 0.004610] ACPI: SSDT 0x00000000CDFF4000 007216 (v02 LENOVO CB-01 00000001 MSFT 04000000) [ 2.467514] i2c_hid i2c-MSFT0001:00: supply vdd not found, using dummy regulator [ 2.467526] i2c_hid i2c-MSFT0001:00: supply vddl not found, using dummy regulator [ 2.632628] input: MSFT0001:00 06CB:7F28 Mouse as /devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0001/input/input6 [ 2.632754] input: MSFT0001:00 06CB:7F28 Touchpad as /devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0001/input/input7 [ 2.632894] hid-generic 0018:06CB:7F28.0001: input,hidraw0: I2C HID v1.00 Mouse [MSFT0001:00 06CB:7F28] on i2c-MSFT0001:00 I: Bus=0018 Vendor=06cb Product=7f28 Version=0100 N: Name="MSFT0001:00 06CB:7F28 Mouse" P: Phys=i2c-MSFT0001:00 S: Sysfs=/devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0001/input/input6 U: Uniq= H: Handlers=mouse0 event6 B: PROP=0 B: EV=17 B: KEY=30000 0 0 0 0 B: REL=3 B: MSC=10 I: Bus=0018 Vendor=06cb Product=7f28 Version=0100 N: Name="MSFT0001:00 06CB:7F28 Touchpad" P: Phys=i2c-MSFT0001:00 S: Sysfs=/devices/platform/AMDI0010:03/i2c-0/i2c-MSFT0001:00/0018:06CB:7F28.0001/input/input7 U: Uniq= H: Handlers=mouse1 event7 B: PROP=0 B: EV=1b B: KEY=400 1 0 0 0 0 B: ABS=10000000003 B: MSC=10 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-libinput in Ubuntu. https://bugs.launchpad.net/bugs/1887190 Title: MSFT Touchpad not working on Lenovo Legion-5 15ARH05 To manage notifications about this bug go to: https://bugs.launchpad.net/pop-os/+bug/1887190/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp