NixOS/nixpkgs — pull request #2726 by pSub (2014-05-23 08:29:38+00:00)
Title: Added an option to configure sensitivity and speed of trackpoints.

This adds trackpoint.nix from NixOS/nixos@f09da4030ae0595672cbe9215d767f403a1af285 and extends it with the possibility to configure speed.