Lenovo Scrollpoint Mouse

Scrollpoint mouse has a trackpoint style device for scrolling, but default sensitivity is extreme. Adjust it to be usable.

Listing 1: /etc/X11/xorg.conf.d/50-scrollpoint.conf

Section "InputClass"
    Identifier "Fix scrollpoint speed"
    MatchUSBID "04b3:3100|04b3:3103|04b3:3105|04b3:3108|04b3:3109"
    Driver     "evdev"
    Option     "VertScrollDelta"  "18"
    Option     "HorizScrollDelta" "18"
EndSection