Re: Compound devices

[Bruno Vétel <bruno.vetel@xxxxxxxxxx>]

On Tue, 2006-10-24 at 15:55 -0400, Alan Stern wrote:
> On Tue, 24 Oct 2006, Bruno Vétel wrote:
> 
> > On Tue, 2006-10-24 at 14:19 -0400, Alan Stern wrote:
> > > On Tue, 24 Oct 2006, Bruno Vétel wrote:
> > > 
> > > > Hello
> > > > 

...
> Almost by definition there is no such thing as a compound gadget driver.  
> A "compound gadget" would actually be a hub plus several normal gadgets,
> all in a single box.  Each of the normal gadgets would run a normal gadget
> driver.

Its exactly that. I only have a single usb interface and I need to drive
two printers firmware with two vendorId/ProductId through this
interface.

Thanks for your answer

	Bruno

> 
> Are you sure you're not thinking of a "composite" gadget instead?  A
> composite USB device has multiple functions available in different
> interfaces or configurations.  A compound device, by contrast, has
> multiple functions available in different internal sub-devices.
> 
> Nobody has ever posted a composite gadget driver, but there's no reason 
> you couldn't go ahead and write one yourself.
> 
> Alan Stern
> 
> 
> 
> 
-- 
Bruno Vétel <bruno.vetel@xxxxxxxxxx>


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