Re: [PATCH] input: mt: Interface and MT_TOOL documentation updates

From: Dmitry Torokhov
Date: Fri Dec 10 2010 - 13:50:58 EST


On Fri, Dec 10, 2010 at 10:13:06AM -0800, Dmitry Torokhov wrote:
> On Fri, Dec 10, 2010 at 09:55:12AM -0800, Ping Cheng wrote:
> > On Thu, Dec 9, 2010 at 1:22 PM, Henrik Rydberg <rydberg@xxxxxxxxxxx> wrote:
> > > +
> > > +- The MT_TOOL_ENVELOPE type is used to indicate that the contact position
> > > +is not well-defined, and is only used for legacy hardware. The real contact
> > > +positions are to be found within the bounding rectangle formed by the
> > > +envelope contact positions.
> >
> > Can we make MT_TOOL_ENVELOPE cover a bit more cases by:
> >
> > 1. Removing ", and is only used for legacy hardware";
> > 2. Adding "Or the number of contacts inside the bounding rectangle is
> > reported if hardware provides the number but not the real contact
> > positions" to the end of the paragraph.
>
> Are you saying that there is upcoming hardware models that do not report
> individual contacts?
>

Anyway, if we plot the evolution of hardware:

ST -> ST + #fingers -> Envelope -> Full MT

I think we can rigthfully say that at this time all hardware that is not
full MT is legacy technology...

--
Dmitry
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