root@armadillo:~# evtest /dev/input/event0
Input driver version is 1.0.1
Input device ID: bus 0x18 vendor 0xeda product 0x12de version 0x100
Input device name: "hid-over-i2c 0EDA:12DE"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 330 (BTN_TOUCH)
  Event type 3 (EV_ABS)
    Event code 0 (ABS_X)
      Value      0
      Min        0
      Max    10000
    Event code 1 (ABS_Y)
      Value      0
      Min        0
      Max    10000
    Event code 47 (ABS_MT_SLOT)
      Value      0
      Min        0
      Max        9
    Event code 53 (ABS_MT_POSITION_X)
      Value      0
      Min        0
      Max    10000
    Event code 54 (ABS_MT_POSITION_Y)
      Value      0
      Min        0
      Max    10000
    Event code 57 (ABS_MT_TRACKING_ID)
      Value      0
      Min        0
      Max    65535
Properties:
  Property type 1 (INPUT_PROP_DIRECT)
Testing ... (interrupt to exit)

Event: time 1642725459.465706, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value 0
Event: time 1642725459.465706, type 3 (EV_ABS), code 53 (ABS_MT_POSITION_X), value 8788
Event: time 1642725459.465706, type 3 (EV_ABS), code 54 (ABS_MT_POSITION_Y), value 6532
Event: time 1642725459.465706, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 1  <---- ★タッチ検出
Event: time 1642725459.465706, type 3 (EV_ABS), code 0 (ABS_X), value 8788
Event: time 1642725459.465706, type 3 (EV_ABS), code 1 (ABS_Y), value 6532
Event: time 1642725459.465706, -------------- SYN_REPORT ------------
Event: time 1642725459.570525, type 3 (EV_ABS), code 57 (ABS_MT_TRACKING_ID), value -1
Event: time 1642725459.570525, type 1 (EV_KEY), code 330 (BTN_TOUCH), value 0  <---- ★指を離していないのにリリース検出が出ているように見える
Event: time 1642725459.570525, -------------- SYN_REPORT ------------