Index: xserver-common/X11/Xsession.d/89xTs_Calibrate_xinput_calibrator
===================================================================
--- xserver-common/X11/Xsession.d/89xTs_Calibrate_xinput_calibrator	(revision 0)
+++ xserver-common/X11/Xsession.d/89xTs_Calibrate_xinput_calibrator	(revision 0)
@@ -0,0 +1,34 @@
+#!/bin/sh
+
+SYSFS_CALIBRATION_DIR=/sys/bus/i2c/devices/0-0073/s3c2440-ts/calibration
+
+if [ ! -d $SYSFS_CALIBRATION_DIR ]; then
+  # moved in 2.6.31
+  SYSFS_CALIBRATION_DIR=/sys/devices/platform/s3c2440-i2c/i2c-adapter/i2c-0/0-0073/s3c2410-ts/calibration
+fi
+
+if [ ! -d $SYSFS_CALIBRATION_DIR ]; then
+  # moved in 2.6.32
+  SYSFS_CALIBRATION_DIR=/sys/devices/platform/s3c2440-i2c/i2c-0/0-0073/s3c2410-ts/calibration
+fi
+
+if [ -d $SYSFS_CALIBRATION_DIR ]; then
+  echo 0 > $SYSFS_CALIBRATION_DIR/0
+  echo 80000 > $SYSFS_CALIBRATION_DIR/1
+  echo -8000000 > $SYSFS_CALIBRATION_DIR/2
+  echo -81000 > $SYSFS_CALIBRATION_DIR/3
+  echo 0 > $SYSFS_CALIBRATION_DIR/4
+  echo 75000000 > $SYSFS_CALIBRATION_DIR/5
+  echo 65536 > $SYSFS_CALIBRATION_DIR/6
+fi
+
+if [ -e /usr/bin/xinput_calibrator_once.sh ] ; then
+  if [ -e /etc/pointercal.xinput ] ; then
+    if [ -e /usr/bin/fsoraw ] ; then
+      # because ts tap to unblank will be used as first calibration click and then store invalid calibration
+      fsoraw -fr CPU,Display -- /usr/bin/xinput_calibrator_once.sh
+    else
+      /usr/bin/xinput_calibrator_once.sh
+    fi
+  fi
+fi