From the information I gather from Waveshare it seems the screens needs evdev. Maybe you need to run
sudo apt-get install xserver-xorg-input-evdev
and after that
sudo cp -rf /usr/share/X11/xorg.conf.d/10-evdev.conf /etc/X11/xorg.conf.d/45-evdev.conf
From the information I gather from Waveshare it seems the screens needs evdev. Maybe you need to run
sudo apt-get install xserver-xorg-input-evdev
and after that
sudo cp -rf /usr/share/X11/xorg.conf.d/10-evdev.conf /etc/X11/xorg.conf.d/45-evdev.conf