ubuntu-x-swat team mailing list archive

[Seth Forshee <seth.forshee@xxxxxxxxxxxxx>]

On Mon, Aug 15, 2011 at 01:42:24PM -0000, Patrick Pfeifer wrote:
> Observations: - 3-finger middle tap used to work with patch from #59,
> doesn't any more, but worked only 90% anyway

Yep, this is a side-effect of using the "real" multitouch protocol. This
is a class of device that is called semi-mt (semi-multitouch) in the
vernacular of the multitouch protocol, because it only provides limited,
somewhat unreliable information about multiple touches. For these
devices only basic, two-finger gestures are supported. We should be able
to special-case the xorg drivers to allow three-finger click and drag
for the elantech hardware because there's enough information to support
these, but that would be a follow-up to getting the new protocol support
into the driver.

Thanks for testing!

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https://bugs.launchpad.net/bugs/681904

Title:
  [arrandale] Samsung
  QX310/QX410/QX510/SF310/SF410/SF510/NF210/RF410/RF510/RF511/RF710
  trackpad/touchpad not recognized

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