/usr/share/X11/xorg.conf.d/40-libinput.conf
Section "InputClass"
Identifier "libinput touchpad catchall"
MatchIsTouchpad "on"
MatchDevicePath "/dev/input/event*"
Driver "libinput"
Option "Tapping" "on"
Option "NaturalScrolling" "True"
EndSection
bcmwl-kernel-source vs broadcom-sta-dkms
sudo apt install broadcom-sta-dkms