Enabling kinetic scrolling in Fedora 23 on a Chromebook with an Elan touchpad

Apparently, the Synaptics driver was replaced by libinput in Fedora 22, which doesn’t currently support kinetic/inertial scrolling. Here’s how to get it working.

Copy /usr/share/X11/xorg.conf.d/50-synaptics.conf to /etc/X11/xorg.conf.d/51-synaptics.conf, add the following to the bottom, and reboot:

Section "InputClass"
 Identifier "Enable kinetic scrolling for Elan Touchpad"
 MatchProduct "Elan Touchpad"
 MatchDriver "synaptics"
 Option "CoastingSpeed" "20"
 Option "CoastingFriction" "50"

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