I've noticed it's touchier than other trackpads I've used even with all the
sliders moved to the left in the System Prefs speed settings. I'm tempted to
try something that I had to do on my tower with a high sensitivity mouse. The
steps are something like:
$ xinput list (find the ID of the input device)
$ xinput list-props (look at settings)
$ xinput set-prop 'Device Accel Profile' -1 (turn off acceleration)
$ xinput set-prop 'Device Accel Constant Deceleration' 1.5 (the less the
deceleration the higher the sensitivity)
Find the right mix for you, and then save the ideally tweaked commands in
~/.xinputrc .
This works really well for me in Linux Mint 18. Will try it for the T400
trackpad in Trisquel soon. This won't address accidental input or disable
trackpad-touch while typing.
I also need to figure out how to get scrolling via touchpad to work, either
from swiping along its right edge (arrow indicators are printed), or two
finger gestures.
