Re: [PATCH 2/2] input: mt: Document the MT event slot protocol (rev3)

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On 05/21/10 13:49, Henrik Rydberg wrote:
> Dmitry Torokhov wrote:
>>
>> I guess this is where our disconnect lies as when I am looking at the
>> event names I view all *_MT_* events as related to the multitouch
>> protocol handling.
>>
> 
> Yes. It is true that slot control is MT related, but I am looking at this from
> the perspective of future expansions like KEY_MT,  KEY_REL, and such, finding a
> way to signal to user space which events are handled via slots. If we had
> ABS_MT_SLOT, we would most likely get applications which store ABS_MT_SLOT as an
> attribute of the slot together with ABS_MT_POSITION_X, ABS_MT_TOUCH_MAJOR, etc,
> which is just not right. So the proposal is ABS_SLOT. May we have your verdict,
> please. :-)
> 
> Henrik
> 

How many fingers can type on cap of a key?

(sorry, couldn't resist).


Seems to me like part of the problem here is still the overlap between tracking
id and slot id.

Rafi
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