Apparently 4.8.0-34-generic detects my Latitude E7470 touchpad/stick as
ALPS instead of BYD (4.8.0-32-generic detects as BYD). I don't know
which would be the correct one, but by default ALPS is way too sensitive
and I have to apply those xprops changes before it is usable again
(basically I can't click anything because no matter how much I want to
hold my finger still, it just goes around in circles and the pointer is
not on top of an icon long enough to click it).

There is also something weird about how the touchpad behaves (or maybe I
noticed it now cause I use it more instead of the trackpoint?), is it
supposed to scroll vertically when I move a single finger vertically on
the right half of it? Basically I have to always move my finger
horizontally first, otherwise it accidentally scrolls.

I think it would be useful to make the BYD/ALPS configurable. The BYD
driver works a lot better by default, and I think I actually prefer it
over the ALPS one :)

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https://bugs.launchpad.net/bugs/1590590

Title:
  Touchpad not recognized on Dell Latitude E7470 Ultrabook

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