diff -ur xserver-xorg-input-synaptics_1.1.2.orig/include/synaptics-properties.h xserver-xorg-input-synaptics_1.1.2/include/synaptics-properties.h
--- xserver-xorg-input-synaptics_1.1.2.orig/include/synaptics-properties.h	2009-10-20 22:09:01.679710327 +0200
+++ xserver-xorg-input-synaptics_1.1.2/include/synaptics-properties.h	2009-10-22 18:48:47.123708014 +0200
@@ -142,4 +142,7 @@
 /* 8 bit (BOOL) */
 #define SYNAPTICS_PROP_GRAB "Synaptics Grab Event Device"
 
+/* 32 bit */
+#define SYNAPTICS_ORIENTATION "Synaptics Orientation"
+
 #endif /* _SYNAPTICS_PROPERTIES_H_ */
diff -ur xserver-xorg-input-synaptics_1.1.2.orig/src/eventcomm.c xserver-xorg-input-synaptics_1.1.2/src/eventcomm.c
--- xserver-xorg-input-synaptics_1.1.2.orig/src/eventcomm.c	2009-10-20 22:09:01.683709019 +0200
+++ xserver-xorg-input-synaptics_1.1.2/src/eventcomm.c	2009-10-22 21:22:58.224803290 +0200
@@ -352,10 +352,28 @@
 	case EV_ABS:
 	    switch (ev.code) {
 	    case ABS_X:
-		hw->x = ev.value;
+		if (para->orientation==0)
+			hw->x = ev.value;
+		else if (para->orientation==2)
+			hw->x = priv->maxx + priv->minx - ev.value;
+		else if (para->orientation==3)
+			hw->y = (priv->maxx - ev.value) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
+		else if (para->orientation==1)
+			hw->y = (ev.value - priv->minx) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
+		else
+			hw->x = ev.value;
 		break;
 	    case ABS_Y:
-		hw->y = ev.value;
+		if (para->orientation==0)
+			hw->y = ev.value;
+		else if (para->orientation==2)
+			hw->y = priv->maxy + priv->miny - ev.value;
+		else if (para->orientation==3)
+			hw->x = (ev.value - priv->miny) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
+		else if (para->orientation==1)
+			hw->x = (priv->maxy - ev.value) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
+		else
+			hw->y = ev.value;
 		break;
 	    case ABS_PRESSURE:
 		hw->z = ev.value;
diff -ur xserver-xorg-input-synaptics_1.1.2.orig/src/properties.c xserver-xorg-input-synaptics_1.1.2/src/properties.c
--- xserver-xorg-input-synaptics_1.1.2.orig/src/properties.c	2009-10-20 22:09:01.683709019 +0200
+++ xserver-xorg-input-synaptics_1.1.2/src/properties.c	2009-10-22 18:48:47.131703654 +0200
@@ -44,6 +44,7 @@
 static Atom float_type;
 
 Atom prop_edges                 = 0;
 Atom prop_finger                = 0;
+Atom prop_orientation           = 0;
 Atom prop_tap_time              = 0;
 Atom prop_tap_move              = 0;
@@ -251,6 +252,8 @@
     fvalues[0] = para->press_motion_min_factor;
     fvalues[1] = para->press_motion_max_factor;
 
+    prop_orientation = InitAtom(local->dev, SYNAPTICS_ORIENTATION, 32, 1, &para->orientation);
+
     prop_pressuremotion_factor = InitFloatAtom(local->dev, SYNAPTICS_PROP_PRESSURE_MOTION_FACTOR, 2, fvalues);
 
     prop_grab = InitAtom(local->dev, SYNAPTICS_PROP_GRAB, 8, 1, &para->grab_event_device);
@@ -270,7 +273,13 @@
         para = &tmp;
     }
 
-    if (property == prop_edges)
+	if (property == prop_orientation)
+	{
+        if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER)
+            return BadMatch;
+		para->orientation = *(INT32*)prop->data;
+	}
+	else if (property == prop_edges)
     {
         INT32 *edges;
         if (prop->size != 4 || prop->format != 32 || prop->type != XA_INTEGER)
diff -ur xserver-xorg-input-synaptics_1.1.2.orig/src/synaptics.c xserver-xorg-input-synaptics_1.1.2/src/synaptics.c
--- xserver-xorg-input-synaptics_1.1.2.orig/src/synaptics.c	2009-10-20 22:09:01.683709019 +0200
+++ xserver-xorg-input-synaptics_1.1.2/src/synaptics.c	2009-10-22 18:57:34.363700791 +0200
@@ -433,6 +433,7 @@
     horizTwoFingerScroll = FALSE;
 
     /* set the parameters */
+    pars->orientation = xf86SetIntOption(opts, "Orientation", 0);
     pars->left_edge = xf86SetIntOption(opts, "LeftEdge", l);
     pars->right_edge = xf86SetIntOption(opts, "RightEdge", r);
     pars->top_edge = xf86SetIntOption(opts, "TopEdge", t);
diff -ur orig/xf86-input-synaptics-1.2.2/tools/synclient.c new/xf86-input-synaptics-1.2.2/tools/synclient.c
--- xf86-input-synaptics-1.2.2/tools/synclient.c	2010-03-26 05:11:07.000000000 +0000
+++ xf86-input-synaptics-1.2.2/tools/synclient.c	2010-06-25 18:32:21.483266055 +0100
@@ -78,6 +78,7 @@
     {"RightEdge",             PT_INT,    0, 10000, SYNAPTICS_PROP_EDGES,	32,	1},
     {"TopEdge",               PT_INT,    0, 10000, SYNAPTICS_PROP_EDGES,	32,	2},
     {"BottomEdge",            PT_INT,    0, 10000, SYNAPTICS_PROP_EDGES,	32,	3},
+    {"Orientation",           PT_INT,    0, 3,     SYNAPTICS_ORIENTATION,       32,     0},
     {"FingerLow",             PT_INT,    0, 255,   SYNAPTICS_PROP_FINGER,	32,	0},
     {"FingerHigh",            PT_INT,    0, 255,   SYNAPTICS_PROP_FINGER,	32,	1},
     {"FingerPress",           PT_INT,    0, 256,   SYNAPTICS_PROP_FINGER,	32,	2},
diff -ur orig/xf86-input-synaptics-1.2.2/src/synapticsstr.h new/xf86-input-synaptics-1.2.2/src/synapticsstr.h
--- xf86-input-synaptics-1.2.2/src/synapticsstr.h	2010-03-26 05:11:07.000000000 +0000
+++ xf86-input-synaptics-1.2.2/src/synapticsstr.h	2010-06-25 18:38:59.176545862 +0100
@@ -90,6 +90,7 @@
 {
     /* Parameter data */
     int left_edge, right_edge, top_edge, bottom_edge; /* edge coordinates absolute */
+    int orientation;
     int finger_low, finger_high, finger_press;	      /* finger detection values in Z-values */
     int tap_time;
     int tap_move;			    /* max. tapping time and movement in packets and coord. */