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82a18dcfb2
Confirmed via `udevadm test /sys/class/input/eventX` that POINTINGSTICK_* properties were not being set for my T430s trackpoint. After adding a local entry file (as advised in this file), the same `udevadm test` command showed properties. More importantly, the movement of mouse using trackpoint felt much better. Hard to describe its previous state, but following come to mind: slippery, hard to control, awkward. Now it feels more consistent and predictable. A little on the sensitive side with the defaults, but didn't think it warranted dedicated properties just for this series though as the X230 is same generation and uses the defaults. Before local change: $ udevadm info /dev/input/event5 P: /devices/platform/i8042/serio1/serio2/input/input6/event5 N: input/event5 E: DEVNAME=/dev/input/event5 E: DEVPATH=/devices/platform/i8042/serio1/serio2/input/input6/event5 E: ID_BUS=i8042 E: ID_INPUT=1 E: ID_INPUT_MOUSE=1 E: ID_INPUT_POINTINGSTICK=1 E: LIBINPUT_DEVICE_GROUP=11/2/a:synaptics-pt/serio0 E: MAJOR=13 E: MINOR=69 E: SUBSYSTEM=input E: USEC_INITIALIZED=38609915 After change: $ udevadm info /dev/input/event5 P: /devices/platform/i8042/serio1/serio2/input/input6/event5 N: input/event5 E: DEVNAME=/dev/input/event5 E: DEVPATH=/devices/platform/i8042/serio1/serio2/input/input6/event5 E: ID_BUS=i8042 E: ID_INPUT=1 E: ID_INPUT_MOUSE=1 E: ID_INPUT_POINTINGSTICK=1 E: LIBINPUT_DEVICE_GROUP=11/2/a:synaptics-pt/serio0 E: MAJOR=13 E: MINOR=69 E: POINTINGSTICK_CONST_ACCEL=1.0 E: POINTINGSTICK_SENSITIVITY=200 E: SUBSYSTEM=input E: USEC_INITIALIZED=38609915