/usr/share/X11/xorg.conf.d/52-elantech-touchpad.conf

Section "InputClass"
    Identifier "ETPS/2 Elantech Touchpad"
    MatchProduct "ETPS/2 Elantech Touchpad"
    MatchDevicePath "/dev/input/event*"
    Driver "synaptics"
    Option "TapButton1" "1"
    Option "TapButton2" "3"
    Option "TapButton3" "2"
    Option "VertTwoFingerScroll" "1"
    Option "HorizTwoFingerScroll" "1"
    Option "CoastingSpeed" "10"
    Option "EdgeMotionMinZ" "30"
    Option "EdgeMotionMaxZ" "40"
    Option "EdgeMotionMinSpeed" "100"
    Option "EdgeMotionMaxSpeed" "400"
    Option "FingerLow" "9"
    Option "FingerHigh" "12"
    Option "EmulateMidButtonTime" "0"
    Option "ClickPad" "True"
    Option "SoftButtonAreas" "50% 0 82% 0 0 0 0 0"
EndSection