Re: [PATCH] Expose input device usages to userspace

[Arjan van de Ven]

> > No, I don't think this is needed at all - users should be interested in
> > what capabilities a particular device has, not what type it was assigned
> > by soneone.
> 
> I see your point that an application should not rely too much on device 
> usages. However, the main reason I want device usages is to help applications 
> and users identify and (visually) represent devices. For example, games could 
> show an appropriate icon graphic representing each active device. The event 
> interface already has a few other ioctls for this kind of information:


ok then you should consider to do it the other way around: make a way of
asking
"are you matching THIS profile".
rather than
"what profile are you"

that way devices can present multiple faces etc; which is going to be
needed as more and more weird devices come into existence.


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