Error while operating the device

[rockywhisper]

Hi, Simo. I got an error:

Phone & OS:

• Galaxy A7: SM-A7000
• Android 6.0.1

The output of adb shell getevent -lp:

add device 1: /dev/input/event7
  name:     "magnetic_sensor"
  events:
    REL (0002): REL_X                 REL_Y                 REL_Z                 REL_RX
                REL_RY
    ABS (0003): ABS_X                 : value 0, min -32768, max 32767, fuzz 0, flat 0, resolution 0
                ABS_Y                 : value 0, min -32768, max 32767, fuzz 0, flat 0, resolution 0
                ABS_Z                 : value 0, min -32768, max 32767, fuzz 0, flat 0, resolution 0
                ABS_MISC              : value 0, min 0, max 0, fuzz 0, flat 0, resolution 0
  input props:
    <none>
add device 2: /dev/input/event6
  name:     "accelerometer_sensor"
  events:
    REL (0002): REL_X                 REL_Y                 REL_Z                 REL_DIAL
                REL_MISC
  input props:
    <none>
add device 3: /dev/input/event5
  name:     "light_sensor"
  events:
    REL (0002): REL_WHEEL             REL_MISC
  input props:
    <none>
add device 4: /dev/input/event4
  name:     "proximity_sensor"
  events:
    ABS (0003): ABS_DISTANCE          : value 1, min 0, max 1, fuzz 0, flat 0, resolution 0
  input props:
    <none>
add device 5: /dev/input/event3
  name:     "qpnp_pon"
  events:
    KEY (0001): KEY_VOLUMEDOWN        KEY_POWER
  input props:
    INPUT_PROP_TOPBUTTONPAD
could not get driver version for /dev/input/mouse0, Not a typewriter
add device 6: /dev/input/event2
  name:     "hbtp_vm"
  events:
    KEY (0001): BTN_MOUSE             BTN_RIGHT
    REL (0002): REL_X                 REL_Y
  input props:
    INPUT_PROP_DIRECT
add device 7: /dev/input/event0
  name:     "meta_event"
  events:
    REL (0002): REL_HWHEEL            REL_DIAL
  input props:
    <none>
could not get driver version for /dev/input/mice, Not a typewriter
add device 8: /dev/input/event1
  name:     "sec_touchscreen"
  events:
    KEY (0001): BTN_TOOL_FINGER*      BTN_TOUCH*
    ABS (0003): ABS_MT_SLOT           : value 0, min 0, max 14, fuzz 0, flat 0, resolution 0
                ABS_MT_TOUCH_MAJOR    : value 0, min 0, max 255, fuzz 0, flat 0, resolution 0
                ABS_MT_TOUCH_MINOR    : value 0, min 0, max 255, fuzz 0, flat 0, resolution 0
                ABS_MT_ORIENTATION    : value 0, min 65239, max 127, fuzz 0, flat 0, resolution 0
                ABS_MT_POSITION_X     : value 0, min 0, max 1079, fuzz 0, flat 0, resolution 0
                ABS_MT_POSITION_Y     : value 0, min 0, max 1919, fuzz 0, flat 0, resolution 0
                ABS_MT_TOOL_TYPE      : value 0, min 0, max 1, fuzz 0, flat 0, resolution 0
                ABS_MT_TRACKING_ID    : value 0, min 0, max 65535, fuzz 0, flat 0, resolution 0
                ABS_MT_PRESSURE       : value 0, min 0, max 255, fuzz 0, flat 0, resolution 0
                ABS_MT_DISTANCE       : value 0, min 0, max 255, fuzz 0, flat 0, resolution 0
                ABS_MT_PALM           : value 0, min 0, max 1, fuzz 0, flat 0, resolution 0
    SW  (0005): SW_GLOVE
  input props:
    INPUT_PROP_DIRECT
add device 9: /dev/input/event9
  name:     "hall"
  events:
    SW  (0005): SW_FLIP*
  input props:
    <none>
add device 10: /dev/input/event8
  name:     "gpio-keys"
  events:
    KEY (0001): KEY_VOLUMEUP          KEY_HOMEPAGE
  input props:
    INPUT_PROP_TOPBUTTONPAD
add device 11: /dev/input/event10
  name:     "sec_touchkey"
  events:
    KEY (0001): KEY_BACK              00fe
    LED (0011): LED_MISC
  input props:
    <none>

Error desc:
When I use minitouch, it found the correct input-device "sec_touchscreen"

But when I touch the real device with my hand, minitouch print an error, and connection will be broken:

Hope you can offer some help. Thank you so much :-)