diff -rN -c xf86-input-wacom-0.10.11/src/wcmISDV4.c xf86-input-wacom-0.10.11-patched/src/wcmISDV4.c
--- xf86-input-wacom-0.10.11/src/wcmISDV4.c	2011-05-03 16:48:44.887867748 -0400
+++ xf86-input-wacom-0.10.11-patched/src/wcmISDV4.c	2011-05-03 16:51:34.223868280 -0400
@@ -635,6 +635,32 @@
 		}
 	}
 
+	/* handle TC1100 stylus buttons */
+	if ((data[0] == 0xC1) && ((data[1] & 0xF0) == 0))
+	{
+		DBG(2, priv, "isdv4Parse Tablet Button %s\n",
+		  data[1] == 0x1 ? "rotate" : data[1] == 0x2 ? "journal"
+		: data[1] == 0x4 ? "keyboard" : "unknown" );
+
+		/* do not reset relative values here */
+		ds = &common->wcmChannel[0].work;
+
+		/* first send the tablet button press event */
+		ds->proximity = 1;
+		ds->buttons = ((int)data[1]) << 29;
+		ds->pressure = common->wcmMaxZ;
+		ds->device_id = STYLUS_DEVICE_ID;
+		ds->device_type = STYLUS_ID;
+		wcmEvent(common, 0, ds);
+
+		/* then immediately after send the release event */
+		ds->buttons = 0;
+		ds->pressure = 0;
+		ds->proximity = 0;
+		wcmEvent(common, 0, ds);
+		return common->wcmPktLength;
+	}
+
 	/* Coordinate data bit check */
 	if (data[0] & CONTROL_BIT) /* control data */
 		return common->wcmPktLength;