Re: USB CDC ACM -- why is bProtocol required to be nonzero?

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Am Freitag, 11. Dezember 2009 18:00:00 schrieb Simon Richter:
> > Does that follow the cdc-acm spec?  That's what we need to follow here.
> 
> From how I interpret the spec, it does; I was hoping on input from
> someone who was involved in the decision to implement it the current
> way, as they might know better if there are devices we actually want to
> ignore (i.e. from a practical point of view).

The cdc-acm driver was supposed to support modems, defining modems
as devices that implement the AT command set.
One can argue that a serial interface may or may not be a modem.

	Regards
		Oliver
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