Re: [PATCH 2/3] Input: synaptics - add multi-finger and semi-mt support

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> > Yes - the MT_TOOLs are only emitted when explicitly set in absbit, but
> > the internal interface always handles it. This is actually documented
> > in the code (and DocBook).
> 
> That note is good guidance for developer side.  Its also worth noting
> on app side that MT_TOOL_FINGER is a little special since its value is
> 0.  In most common case, I think it will get filtered out where as
> BTN_TOOL_FINGER will always be sent.
> 
> Since we can't yet query per slot ABS_MT_TOOL_TYPE, I guess apps have
> to just assume its a finger unless told otherwise?

Yes - but this is actually done for every ABS value already, so it
just follows the standard transfer method.

Thanks,
Henrik
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