tv x220: fix jumpy touchpad

2020-07-03 21:36:51 +02:00 · 2020-07-03 21:36:51 +02:00 · 495871f182
parent 99c04622ff
commit 495871f182
1 changed files with 9 additions and 0 deletions
--- a/tv/2configs/hw/x220.nix
+++ b/tv/2configs/hw/x220.nix
@ -15,6 +15,15 @@
        pkgs.tpacpi-bat
      ];
    }
+
+    # fix jumpy touchpad
+    # https://wiki.archlinux.org/index.php/Lenovo_ThinkPad_X220#X220_Touchpad_cursor_jump/imprecise
+    {
+      services.udev.extraHwdb = /* sh */ ''
+        touchpad:i8042:*
+         LIBINPUT_MODEL_LENOVO_X220_TOUCHPAD_FW81=1
+      '';
+    }
  ];

  boot.extraModulePackages = [