Re: usb function framework

[Felipe Balbi <[email protected]>]
> > 
> > We need to do a lot of varied composite device support, something which
> > (to the best of my understanding of it) gadget does not inherently
> > support.
> > My goal is a nice framework for being able to build individual functions
> > and bolt them together (eventually dynamically) without having to fiddle
> > with the common code.
> 
> We have this already coded and posted to linux-usb mailing list.
> Here you can see the patches: 
> 
> http://lwn.net/Articles/235159/
> 
> This was done by me and Ragner Magalhães (thanks dude) and was posted
> quite a while ago.

Very cool.  I'm obviously behind the times on the state of the art in
usb_gadget support.

> To use it, you just modprobe all the functions you want and you'd have
> your composite device working.
> 
> We needed some clean ups in that code but it was already working, even
> though the community didn't like it.
> 
> We were working on a complete re-write of it but, as I said before, we got
> delayed due to other projects.

I'll have to take a look at this.  It certainly sounds a lot like what
we are aiming for with the function stuff.

Can it work with static modules as well, or with an environment that is 
hybrid static/dynamic?

Brian

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