## Description: fix the false positive in detection of dock state
## Origin/Author: Alexei Colin, BDenis (LP ID: borenko)
## Bug: https://bugs.launchpad.net/ubuntu/+source/upower/+bug/854404
## Bug: https://bugs.freedesktop.org/show_bug.cgi?id=36818
=== modified file '/src/linux/up-dock.c'
Index: upower-0.9.13/src/linux/up-dock.c
===================================================================
--- upower-0.9.13.orig/src/linux/up-dock.c	2012-01-08 15:00:05.000000000 -0500
+++ upower-0.9.13/src/linux/up-dock.c	2012-01-08 15:06:18.000000000 -0500
@@ -48,6 +48,7 @@
 up_dock_device_check (GUdevDevice *d)
 {
 	const gchar *status;
+	const gchar *dpms;
 	gboolean ret = FALSE;
 
 	/* Get the boolean state from the kernel -- note that ideally
@@ -56,11 +57,19 @@
 	status = g_udev_device_get_sysfs_attr (d, "status");
 	if (status == NULL)
 		goto out;
-	ret = (g_strcmp0 (status, "connected") == 0);
+	if (g_strcmp0 (status, "connected") == 0)
+	{
+		ret = TRUE;
+		dpms = g_udev_device_get_sysfs_attr (d, "dpms");
+		if (dpms == NULL)
+			goto out;
+		if (g_strcmp0 (dpms, "Off") == 0)
+			ret = FALSE;
+	}
+out:
 	g_debug ("graphics device %s is %s",
 		 g_udev_device_get_sysfs_path (d),
 		 ret ? "on" : "off");
-out:
 	return ret;
 }