** Tags added: originate-from-1752778

** Tags added: sutton

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https://bugs.launchpad.net/bugs/1779802

Title:
  Touchpad of ThinkPad P52 failed to work with message "lost sync at
  byte"

Status in HWE Next:
  New
Status in linux package in Ubuntu:
  New
Status in linux-oem package in Ubuntu:
  New

Bug description:
  On ThinkPad P52:
  touchpad failed to work and reports:
  [ 2.713396] input: ETPS/2 Elantech TrackPoint as 
/devices/platform/i8042/serio1/input/input8
  [ 2.725328] input: ETPS/2 Elantech Touchpad as 
/devices/platform/i8042/serio1/input/input5

  And lots of errors printed out:

  [ 19.468387] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.474455] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.480657] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.487665] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.494682] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.494685] psmouse serio1: issuing reconnect request
  [ 19.679895] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.686285] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.692642] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.699858] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6
  [ 19.706873] psmouse serio1: Touchpad at isa0060/serio1/input0 lost sync at 
byte 6

  And the middle button can not work too.

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