David Young wrote:

> They are not interested, *yet*. You have to be persuasive and gently
> persistent. ADMtek did not *need* for there to be NetBSD drivers
> for their product, but they sent me documentation in response to
> a polite request which emphasized their bottom line (potentially
> zillions of units sold for NetBSD embedded applications) and my
> competence and experience (that is, no hand-holding necessary). A
> second chipmaker has responded well to a similar request. Both the
> requests were fulfilled with unpublished docs or sample source for
> more than one maker's chips. I have been pleasantly surprised by
> the interest manufacturers have taken.

I've had very mixed experiences with USB device vendors.  Some have
data sheets online (very few!), some send you information on request,
some never respond, and quite a few just say you they are not interested
or that you have to sign an NDA.

	-- Lennart