From 255a56fbc5cc4c1426cc2049e71fb86a2d2707b9 Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Wed, 4 Aug 2010 20:07:58 +0000
Subject: [PATCH] allow wildcard Synaptics configuration

svn path=/nixos/trunk/; revision=22954
---
 modules/services/x11/hardware/synaptics.nix | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/modules/services/x11/hardware/synaptics.nix b/modules/services/x11/hardware/synaptics.nix
index ed1996eabd46..5f832ab7d224 100644
--- a/modules/services/x11/hardware/synaptics.nix
+++ b/modules/services/x11/hardware/synaptics.nix
@@ -18,7 +18,8 @@ let cfg = config.services.xserver.synaptics; in
 
       dev = mkOption {
         default = "/dev/input/event0";
-        description = "Event device for Synaptics touchpad.";
+	example = null;
+        description = "Event device for Synaptics touchpad, null to omit specification.";
       };
 
       minSpeed = mkOption {
@@ -55,7 +56,7 @@ let cfg = config.services.xserver.synaptics; in
         Section "InputDevice"
           Identifier "Touchpad[0]"
           Driver "synaptics"
-          Option "Device" "${cfg.dev}"
+          ${if cfg.dev != null then ''Option "Device" "${cfg.dev}"'' else ""}
           Option "Protocol" "PS/2"
           Option "LeftEdge" "1700"
           Option "RightEdge" "5300"