[Wayland-bugs] [Bug 85627] New: Add support for ForcePads

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85627

            Bug ID: 85627
           Summary: Add support for ForcePads
           Product: Wayland
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: low
         Component: libinput
          Assignee: wayland-bugs at lists.freedesktop.org
          Reporter: peter.hutterer at who-t.net
                CC: jwrdegoede at fedoraproject.org

ForcePad is the most recent touchpad from Synaptics Inc. It's a multi-touch
capable touchpad without any physical buttons, i.e. without even the clickpad
button.

Synaptics: http://www.synaptics.com/en/forcepad.php
Kernel patches: https://lkml.org/lkml/2014/9/8/478

The device still sends BTN_LEFT when a pressure threshold is met and
INPUT_PROP_BUTTONPAD is set. It should thus work fine as clickpad.
If the device is marked by the kernel as ForcePad, we can ignore the clicks and
provide click emulation from within libinput. That would provide more flexible
implementations, including direct software button emulations based on the
finger positions.

Device is present on the HP EliteBook 1040 laptops, note that those laptops do
not have software button markings.
http://www8.hp.com/au/en/ads/elite-products/elitebook-1040.html

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