modules/thinkpad: Put trackpoint sensitivity settings here

1 files changed, 15 insertions, 0 deletions

diff --git a/modules/thinkpad.nix b/modules/thinkpad.nix
index 00ccfbb..9cbcd79 100644
--- a/modules/thinkpad.nix
+++ b/modules/thinkpad.nix
@@ -5,11 +5,22 @@ let cfg = config.this.laptop.thinkpad;
       mkKeyValue = lib.generators.mkKeyValueDefault {} " ";
     } c;
     zcfanConf = mkZcfanConf cfg.zcfan.settings;
+    inherit (builtins) toString;
 in
 {
   options = {
     this.laptop.thinkpad = {
       enable = lib.mkEnableOption "thinkpad settings";
+      trackpoint = {
+        sensitivity = lib.mkOption {
+          type = lib.types.int;
+          default = 255;
+        };
+        speed = lib.mkOption {
+          type = lib.types.int;
+          default = 127;
+        };
+      };
       zcfan = {
         settings = lib.mkOption {
           type = with lib.types;
@@ -24,6 +35,10 @@ in
   config = lib.mkIf cfg.enable {
     boot.extraModprobeConfig = "options thinkpad_acpi fan_control=1";
 
+    services.udev.extraRules = ''
+      ACTION=="add", SUBSYSTEM=="input", ATTR{name}=="TPPS/2 IBM TrackPoint", ATTR{device/sensitivity}="${toString cfg.trackpoint.sensitivity}", ATTR{device/speed}="${toString cfg.trackpoint.speed}"
+    '';
+
     environment.etc."zcfan.conf" = lib.mkIf (zcfanConf != "") { text = zcfanConf; };
     environment.systemPackages = [ pkgs.zcfan ];
     systemd.packages = [ pkgs.zcfan ];