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
On ThinkPad P52: platform/ i8042/serio1/ input/input8 platform/ i8042/serio1/ input/input5
touchpad failed to work and reports:
[ 2.713396] input: ETPS/2 Elantech TrackPoint as /devices/
[ 2.725328] input: ETPS/2 Elantech Touchpad as /devices/
And lots of errors printed out:
[ 19.468387] psmouse serio1: Touchpad at isa0060/ serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6 serio1/ input0 lost sync at byte 6
[ 19.474455] psmouse serio1: Touchpad at isa0060/
[ 19.480657] psmouse serio1: Touchpad at isa0060/
[ 19.487665] psmouse serio1: Touchpad at isa0060/
[ 19.494682] psmouse serio1: Touchpad at isa0060/
[ 19.494685] psmouse serio1: issuing reconnect request
[ 19.679895] psmouse serio1: Touchpad at isa0060/
[ 19.686285] psmouse serio1: Touchpad at isa0060/
[ 19.692642] psmouse serio1: Touchpad at isa0060/
[ 19.699858] psmouse serio1: Touchpad at isa0060/
[ 19.706873] psmouse serio1: Touchpad at isa0060/
And the middle button can not work too.