Inverting Touchscreen With Raspberry PI

pi@raspberrypi:~ $ sudo xinput_calibrator –listDevice “eGalax Inc. USB TouchController Touchscreen” id=6Device “eGalax Inc. USB TouchController” id=7 pi@raspberrypi:~ $ sudo xinput_calibrator –device 6Calibrating EVDEV driver for “eGalax Inc. USB TouchController Touchscreen” id=6current calibration values (from XInput): min_x=156, max_x=3885 and min_y=3805, max_y=277 Doing dynamic recalibration:Inverting X and/or Y axis…Setting calibration data: 3877, 157, 276, 3774–> Making the... » read more