File TimeBackwardSetting.patch of Package xorg-x11-drv-synaptics

From cf5d7f01f5aeb564ca4f076a59a1ba47be188a7d Mon Sep 17 00:00:00 2001
Message-Id: <cf5d7f01f5aeb564ca4f076a59a1ba47be188a7d.1291794220.git.yan.i.li@intel.com>
From: Yan Li <yan.i.li@intel.com>
Date: Wed, 8 Dec 2010 15:37:46 +0800
Subject: [PATCH] Fix touchpad lock when time goes backward (BMC#10507)

Based on Neo Fang's patch.

Signed-off-by: Yan Li <yan.i.li@intel.com>
---
 tools/syndaemon.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/tools/syndaemon.c b/tools/syndaemon.c
index d06fe5f..e95a435 100644
--- a/tools/syndaemon.c
+++ b/tools/syndaemon.c
@@ -224,6 +224,10 @@ main_loop(Display *display, double idle_time, int poll_delay)
 	if (keyboard_activity(display))
 	    last_activity = current_time;
 
+	/* Time may go backward */
+	if (last_activity > current_time) {
+	    last_activity = current_time - idle_time - 1;
+	}
 	if (current_time > last_activity + idle_time) {	/* Enable touchpad */
 	    toggle_touchpad(True);
 	} else {			    /* Disable touchpad */
-- 
1.7.2.3