[Bug 222667] [psm] HP EliteBook 9470m: Synaptics touchpad detected as Generic PS/2 Mouse

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=222667

--- Comment #18 from Vladimir Kondratyev <wulf at freebsd.org> ---
(In reply to Neel Chauhan from comment #17)

> It finally works! Thank you so much!
Great! it would be much harder if you would not provided link to working
driver!

> Along with your patch, I set this in /boot/loader.conf:
> hw.psm.synaptics_support=1
> And Synaptics works!
Does your guest (trackpoint) device work?

On Lenovo laptops its possible to expose some extra trackpoint control sysctl
after placing of following in to /boot/loader.conf:
hw.psm.trackpoint_support=1

Not sure if it works for HP

> And if you want a dmesg snippet:
Yes, please post it here in "from 'current command' to 'psm0: syncmask'"
format. It`s possible that we should not trust all data retrieved from touchpad
during initialization.

I`ll make final version of the patch within week or two and will post it here
for testing.

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