Hi Chris,
Sorry for my late reply. I was investigating a "decent" solution for MT
support. As you know backward compatibility is the major concern here.
Replacing xxxTAP with _MT_ events at this stage requires both kernel and X
driver changes. Plus there are third party developers relying on us. Since
there are only two fingers, I think staying with xxxTAP is not too far off
the topic. To make events definition consistent for all tablet models, all
2FGT touch devices will use xxxTAP. Future multi-touch devices will use
_MT_ event. wcmUSB.c will be redesigned to process those MT events in a
separate routine(s).
What do you think? I need your feedback. Your contribution is greatly
appreciated no matter which way we go.
Ping
On Tue, Mar 9, 2010 at 5:48 PM, <[email protected]> wrote:
> From: Chris Bagwell <[email protected]>
>
> The wacom kernel driver will eventually move to use
> the linux input multi-touch interface to return
> multi-touch finger data to wacom X driver.
>
> If multi-touch events are received, this patch disables
> old way of splitting up finger data based on BTN_TOOL_DOUBLETAP
> and BTN_TOOL_TRIPLETAP and processes both fingers data with a
> single event.
>
> If no multi-touch packets recieved then previous logic will
> be used and expects a EV_SYNC event in between multiple finger data.
>
> Signed-off-by: Chris Bagwell <[email protected]>
>
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