[Bug 205690] [psm] [patch]: support for Elantech trackpads

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205690

Vladimir Kondratyev <wulf at cicgroup.ru> changed:

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--- Comment #35 from Vladimir Kondratyev <wulf at cicgroup.ru> ---
Created attachment 174447
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=174447&action=edit
elantech.diff (12-CURRENT)

Finally, I had got laptop with synaptics touchpad to play with and wrote
"Extended W mode" AKA "advanced gestures" packets parser to enable multitouch
functionality on synaptcs.

Changes are:

1. Multitouch support to synaptics psm driver.
2. Some minor fixes.
3. Resize clickpad softbuttons. Now they relative sizes should be 42%-16%-42%
(L-M-R). This change affects elans too.

Unfortunately, only semi-mt trackpads has been tested. Modern multitouch are
not. Multitouch trackpad can be recognized by presence of enabled (set to 1)
capReportsV property in "Continued capabilities" section of verbose boot log, i
think. Set debug.psm.loglevel=2 in /boot/loader.conf to obtain this log.

Enjoy :-)

P.S. Thanks all for previous versions testing

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