From bd5b06bf862cbf3b643fdd726f470187a553d732 Mon Sep 17 00:00:00 2001
From: Mathijs Kwik <mathijs@bluescreen303.nl>
Date: Sat, 16 Jun 2012 11:13:48 +0000
Subject: [PATCH] synaptics driver: accelleration factor config option

svn path=/nixos/trunk/; revision=34523
---
 modules/services/x11/hardware/synaptics.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/modules/services/x11/hardware/synaptics.nix b/modules/services/x11/hardware/synaptics.nix
index 752df4109340..e08064991065 100644
--- a/modules/services/x11/hardware/synaptics.nix
+++ b/modules/services/x11/hardware/synaptics.nix
@@ -26,6 +26,11 @@ let cfg = config.services.xserver.synaptics; in
           '';
       };
 
+      accelFactor = mkOption {
+        default = "0.001";
+        description = "Cursor acceleration (how fast speed increases from minSpeed to maxSpeed).";
+      };
+
       minSpeed = mkOption {
         default = "0.6";
         description = "Cursor speed factor for precision finger motion.";
@@ -96,7 +101,7 @@ let cfg = config.services.xserver.synaptics; in
           Option "MaxTapMove" "220"
           Option "MinSpeed" "${cfg.minSpeed}"
           Option "MaxSpeed" "${cfg.maxSpeed}"
-          Option "AccelFactor" "0.0010"
+          Option "AccelFactor" "${cfg.accelFactor}"
           Option "TapButton1" "${if cfg.tapButtons then "1" else "0"}"
           Option "TapButton2" "${if cfg.tapButtons then "2" else "0"}"
           Option "TapButton3" "${if cfg.tapButtons then "3" else "0"}"