Although I'm using my Lenovo x220 laptop for more than a year, I discovered the settings for the track-point yesterday (random searches and forums, don't remember). I was never really thinking about it, but the track-point was a bit slow and stiff. The configuration settings of the usual UI configuration menu had no effect at all (yes, certainly a bug), either.
So, to reveal the magic, here it is. I've added a udev configuration file here:
$ cat /etc/udev/rules.d/trackpoint.rules
SUBSYSTEM=="serio", DRIVERS=="psmouse", WAIT_FOR="/sys/devices/platform/i8042/serio1/serio2/sensitivity", ATTR{sensitivity}="240", ATTR{speed}="95", ATTR{press_to_select}="1", ATTR{inertia}="6"
This is just one line for the settings of sensitivity, speed and intertia. You can also play around with them manually, e.g.
$ echo "5" | sudo tee /sys/devices/platform/i8042/serio1/serio2/inertia
So, to reveal the magic, here it is. I've added a udev configuration file here:
$ cat /etc/udev/rules.d/trackpoint.rules
SUBSYSTEM=="serio", DRIVERS=="psmouse", WAIT_FOR="/sys/devices/platform/i8042/serio1/serio2/sensitivity", ATTR{sensitivity}="240", ATTR{speed}="95", ATTR{press_to_select}="1", ATTR{inertia}="6"
This is just one line for the settings of sensitivity, speed and intertia. You can also play around with them manually, e.g.
$ echo "5" | sudo tee /sys/devices/platform/i8042/serio1/serio2/inertia
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