[PATCH xf86-input-synaptics 00/12] Clickpad support

[Peter Hutterer]

On Thu, Feb 09, 2012 at 06:52:54PM -0800, Chase Douglas wrote:
> This patch series adds proper clickpad support. Clickpads are trackpads that
> have buttons integrated into their touch surface. In order to press the buttons
> one has to be in contact with the touchpad. This causes all kinds of problems
> today. For example, pressing with one finger and dragging with another is
> interpreted as a two-touch scroll (where enabled).
> 
> This patch set attempts to work across all clickpads. The variants I am aware of
> are:
> 
> Apple magic trackpad and unibody macbook trackpads
> - Whole touch surface is one button
> 
> Synaptics ClickPads
> - Whole touch surface is a button
> - Left and right button areas are painted on
> - Use "Synaptics Right Button Area" property to set the button area
> - Taps and clicks in right button area will emit right clicks
> 
> Dell Synaptics ClickPads
> - Only seen in older Dell netbooks, will never be produced again (hopefully)
> - Bottom right of touchpad is left button
> - Bottom right of touchpad is right button
> - No other area physically clicks or is interpreted as a button
> - Use "Synaptics Right Button Area" property so taps emit right clicks
> 
> Semi-multitouch ClickPads
> - Some Synaptics ClickPads are semi-multitouch, some aren't
> - This patchset includes quirk handling for these devices as well
> 
> These features are the most requested features for trackpads on Ubuntu. As it is
> today, all clickpads are badly broken when used with xf86-input-synaptics. This
> patchset should bring some sanity to the situation.
> 
> Note that there is still one ugly issue remaining on some synaptics trackpads.
> On my Dell netbook if you release one finger and put another down somewhere else
> at the same time it thinks the finger has moved. We probably need some better
> filtering somewhere, but I'm not sure where yet.
> 
> The patches can be pulled from:
> 
> git://people.freedesktop.org/~cndougla/xf86-input-synaptics clickpad-synaptics


For patches not otherwise commented on: Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>

Looks sane enough, despite the two-finger touch issue pointed out by Bryce.
We should find a way around this, but it doesn't need to be in this series.

Cheers,
  Peter