thank you so much,only solution online working perfect.although it take me two days figure it out:in order to make it function on my ubuntu 19,you have to remove pre installed xserver-xorg-input-libinput package(disable libinput to use evdev drive instead).
thank you so much,only solution online working perfect.although it take me two days figure it out:in order to make it function on my ubuntu 19,you have to remove pre installed xserver-xorg-input-libinput package(disable libinput to use evdev drive instead).