On Mon, 4 Feb 2008, Alan Nisota wrote:

> Ok, so I examined the data in the transfer_buffer (even though 
> actual_length is 0) and it does have the correct data returned from the 
> device.
> The question I have now is, what do I do?

You could ask the manufacturer for information.  Sometimes that works.

> I'm not sure how to tell how much data the device is actually sending, 
> and I don't seem to be able to control the size of the data that's being 
> recieved (at least not with transfer_buffer_length).

What value do you use for transfer_buffer_length?

What does "lsusb -v" show for this device?

>  Since it is 
> streaming video, I really need to get all of the data.
> Is there a way I cna hack the EHCI driver to allow me to read more than 
> the allowed data size?

You may not need to.

>  Is there some other way I can communicate with 
> the hardware to get around the issue?

No.

Alan Stern

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