From 49e6ef2a19161ffbbdede9451bf22b0d33cd71cb Mon Sep 17 00:00:00 2001
From: Jascha Geerds <jg@ekby.de>
Date: Fri, 25 Jul 2014 13:22:33 +0200
Subject: [PATCH] Fix trackpoint configuration on some systems

---
 nixos/modules/tasks/trackpoint.nix | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/nixos/modules/tasks/trackpoint.nix b/nixos/modules/tasks/trackpoint.nix
index 4be2c3eb4c4..25ada145ac6 100644
--- a/nixos/modules/tasks/trackpoint.nix
+++ b/nixos/modules/tasks/trackpoint.nix
@@ -54,10 +54,17 @@ with lib;
         task = true;
 
         script = ''
-          echo -n ${toString config.hardware.trackpoint.sensitivity} \
-            > /sys/devices/platform/i8042/serio1/sensitivity
-          echo -n ${toString config.hardware.trackpoint.speed} \
-            > /sys/devices/platform/i8042/serio1/speed
+          for directory in /sys/devices/platform/i8042/serio1 \
+                           /sys/devices/platform/i8042/serio1/serio2 \
+                           /sys/devices/platform/i8042/serio4/serio5; do
+            if [ -e "$directory/speed" ]; then
+              echo -n ${toString config.hardware.trackpoint.speed} \
+                > "$directory/speed"
+              echo -n ${toString config.hardware.trackpoint.sensitivity} \
+                > "$directory/sensitivity"
+              break
+            fi
+          done
         '';
       };