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Date:      Tue, 29 Dec 2015 10:39:10 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 205690] [psm] [patch]: support for Elantech trackpads
Message-ID:  <bug-205690-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D205690

            Bug ID: 205690
           Summary: [psm] [patch]: support for Elantech trackpads
           Product: Base System
           Version: 10.2-STABLE
          Hardware: amd64
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: knz@thaumogen.net
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org
          Keywords: patch

Created attachment 164815
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D164815&action=
=3Dedit
Combined back-port from 11-CURRENT psm + Elantech support patch

Elantech trackpads are found in some laptops like the Asus UX31E. They are
"synaptics compatible" but use a slightly different protocol. They are well
supported on OpenBSD and NetBSD, but not in FreeBSD.

See previous discussions of issues:

https://lists.freebsd.org/pipermail/freebsd-x11/2012-August/012326.html

https://forums.freebsd.org/threads/touchpad-not-recognized-generic-ps-2-mou=
se-instead.50318/

A patch to support Elantech trackpads was proposed against 11-CURRENT by
Vladimir Kondratyev in September 2015 on the freebsd-mobile mailing list:

https://lists.freebsd.org/pipermail/freebsd-mobile/2015-September/013327.ht=
ml

I hereby confirm as independent observer that this patch indeed works as
intended; moreover the Elantech trackpad is supported in 10-STABLE as well =
by
back-porting the patched psm driver from 11-CURRENT.

The attachment provides a combined patch against 10-STABLE revision 292841.

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