As said before, it is very easy to do just changing the synaptics configuration:
more /usr/share/X11/xorg.conf.d/50-synaptics.conf
... Section "InputClass" Identifier "touchpad catchall" Driver "synaptics" MatchIsTouchpad "on" Option "VertScrollDelta" "-111" Option "HorizScrollDelta" "-111" ...
As said before, it is very easy to do just changing the synaptics configuration:
more /usr/share/ X11/xorg. conf.d/ 50-synaptics. conf
...
MatchIsTouchpa d "on"
Section "InputClass"
Identifier "touchpad catchall"
Driver "synaptics"
Option "VertScrollDelta" "-111"
Option "HorizScrollDelta" "-111"
...