[olpc@xo-74-33-ed ~]$ xinput test-xi2
⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
⎜   ↳ FSPPS/2 Sentelic FingerSensingPad       	id=8	[slave  pointer  (2)]
⎜   ↳ raydium_ts                              	id=9	[slave  pointer  (2)]
⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
    ↳ Power Button                            	id=6	[slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard            	id=7	[slave  keyboard (3)]
EVENT type 14 (RawKeyRelease)
    device: 3 (7)
    detail: 36
    valuators:

EVENT type 7 (Enter)
    device: 2 (2)
    windows: root 0x43 event 0xa00001 child 0x0
    mode: NotifyNormal (detail NotifyAncestor)
    flags:  [same screen]
    buttons:
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    root x/y:  103.00 / 110.00
    event x/y: 102.00 / 73.00
EVENT type 9 (FocusIn)
    device: 3 (3)
    windows: root 0x43 event 0xa00001 child 0x0
    mode: NotifyNormal (detail NotifyNonlinear)
    flags:  [same screen]
    buttons:
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    root x/y:  103.00 / 110.00
    event x/y: 102.00 / 73.00
EVENT type 1 (DeviceChanged)
    device: 2 (9)
    reason: SlaveSwitch
	Reporting 4 classes:
		Class originated from: 9. Type: XIButtonClass
		Buttons supported: 5
		Button labels: "Button Unknown" "Button Unknown" "Button Unknown" "Button Wheel Up" "Button Wheel Down"
		Button state:
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 0:
		  Label: Abs MT Position X
		  Range: 0.000000 - 896.000000
		  Resolution: 0 units/m
		  Mode: absolute
		  Current value: 0.000000
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 1:
		  Label: Abs MT Position Y
		  Range: 0.000000 - 672.000000
		  Resolution: 0 units/m
		  Mode: absolute
		  Current value: 0.000000
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 2:
		  Label: Abs MT Pressure
		  Range: 0.000000 - 255.000000
		  Resolution: 0 units/m
		  Mode: absolute
		  Current value: 0.000000

EVENT type 22 (RawTouchBegin)
    device: 2 (9)
    detail: 1
    valuators:
          0: 96.00 (96.00)
          1: 110.00 (110.00)
          2: 25.00 (25.00)

EVENT type 6 (Motion)
    device: 9 (9)
    detail: 0
    flags: emulated
    root: 103.57/110.32
    event: 102.57/73.32
    buttons: 1
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
        2: 25.00
    windows: root 0x43 event 0xa00001 child 0x0
EVENT type 18 (TouchBegin)
    device: 9 (9)
    detail: 1
    root: 128.57/147.32
    event: 127.57/110.32
    buttons:
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
        2: 25.00
    windows: root 0x43 event 0xa00001 child 0xa00001
EVENT type 6 (Motion)
    device: 2 (9)
    detail: 0
    flags: emulated
    root: 128.57/147.32
    event: 127.57/110.32
    buttons: 1
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
        2: 25.00
    windows: root 0x43 event 0xa00001 child 0x0
EVENT type 4 (ButtonPress)
    device: 2 (9)
    detail: 1
    flags: emulated
    root: 128.57/147.32
    event: 127.57/110.32
    buttons: 1
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
        2: 25.00
    windows: root 0x43 event 0xa00001 child 0x0
EVENT type 20 (TouchEnd)
    device: 9 (9)
    detail: 1
    root: 128.57/147.32
    event: 127.57/110.32
    buttons:
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
    windows: root 0x43 event 0xa00001 child 0xa00001
EVENT type 5 (ButtonRelease)
    device: 2 (9)
    detail: 1
    flags: emulated
    root: 128.57/147.32
    event: 127.57/110.32
    buttons: 1
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
    windows: root 0x43 event 0xa00001 child 0x0
EVENT type 18 (TouchBegin)
    device: 2 (9)
    detail: 1
    root: 128.57/147.32
    event: 127.57/110.32
    buttons:
    modifiers: locked 0 latched 0 base 0 effective: 0
    group: locked 0 latched 0 base 0 effective: 0
    valuators:
        0: 96.00
        1: 110.00
        2: 25.00
    windows: root 0x43 event 0xa00001 child 0xa00001