[Wayland-bugs] [Bug 96409] MacBook Air clickpad is too sensitive

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96409

            Bug ID: 96409
           Summary: MacBook Air clickpad is too sensitive
           Product: Wayland
           Version: 1.2.x
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: damiannohales at gmail.com

In Apple clickpads, or at least in my specific clickpad (from a MacBook Air 13"
mid 2013), I have response from the device when de finger is not touching the
clickpad but is really close to it (a millimeter or less). I'm able to move the
cursor by moving my finger steady over the clickpad without even touching it,
there is even a visual separation between my finger and the clickpad.

This causes many misbehaviour when using the clickpad:

- Unintentional cursor moves.
- Unintentional two finger tap when trying to do one finger tap (the middle
finger is usually really close to the clickpad when doing a tap with the index
finger).
- I don't know if this is the cause of unintentional clicks when typing.

I'll attach four evemu-record outputs for a move of the cursor through the X
axis with different pressures:

no-pressure.txt: I move the cursor trying to not touch de clickpad at all (I
accidentally touched it for a moment though).
low-pressure.txt: Touching the clickpad with lower pressure than I usually do
in my regular usage.
normal-pressure.txt: Touching the clickpad like a usually do in my regular
usage.
high-pressure.txt More pressure than I usually do in my regular usage.

Using Fedora 23 with libinput-1.2.4-1.fc23.x86_64.

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