https://bugs.freedesktop.org/show_bug.cgi?id=99402
Peter Hutterer <[email protected]> changed:
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--- Comment #18 from Peter Hutterer <[email protected]> ---
Summary from the event recordings:
* while a finger is already down, BTN_LEFT events are normal
* while no finger is down, a BTN_LEFT creates a touch at 0/0 and releases that
touch on release
* a fake touch created by BTN_LEFT will jump to the coordinates of the finger
when a finger is set down after the button event. the button release will not
affect the touch
One more case we need to know please: what happens on finger down, button down,
finger up, button up?
The good news here: this is detectable and can be worked around with a
device-specific quirk. The bad news is that the code for this is going to be
nasty.
Benjamin, is this something we can fix in the kernel instead?
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