@Helmut Stult (helmut-stult) > @Coiby Xu (coiby)
> Apparently there was a similar problem with the 4.19 kernel, but with the Intel CPU, which was then solved with the following patch. > https://gitlab.manjaro.org/packages/core/linux419/-/blob/master/ELAN_touchpad_i2c_hid_pinctrl.patch > Now the two lines are included (for example) in kernel 5.8 in /drivers/pincrtl/pincrtl-intel.c: > /* Clear interrupt status first to avoid unexpected interrupt */ Thank you for sharing this info! I think we've found the root cause and the fix is to disable glitch filter. What needs to be done is to find a way to do it without affecting existing touchpads. For the details, you can check the disccussion in this thread https://www.spinics.net/lists /linux-gpio/msg53638.html. -- 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
