[~/Dokumente]  # ./evtest /dev/input/event9 
Input driver version is 1.0.0
Input device ID: bus 0x11 vendor 0x2 product 0x7 version 0x1b1
Input device name: "SynPS/2 Synaptics TouchPad"
Supported events:
  Event type 0 (Sync)
  Event type 1 (Key)
    Event code 256 (Btn0)
    Event code 257 (Btn1)
    Event code 258 (Btn2)
    Event code 259 (Btn3)
    Event code 272 (LeftBtn)
    Event code 273 (RightBtn)
    Event code 274 (MiddleBtn)
    Event code 325 (ToolFinger)
    Event code 330 (Touch)
    Event code 333 (Tool Doubletap)
    Event code 334 (Tool Tripletap)
  Event type 3 (Absolute)
    Event code 0 (X)
      Value      1
      Min     1472
      Max     5472
    Event code 1 (Y)
      Value   5855
      Min     1408
      Max     4448
    Event code 24 (Pressure)
      Value      1
      Min        0
      Max      255
    Event code 28 (Tool Width)
      Value      5
      Min        0
      Max        0
Grab failed: Device or resource busy
Testing ... (interrupt to exit)