On Thu, 4 Nov 2010, Sarah Sharp wrote: > But the real issue is that the UVC driver can use less bandwidth than > the device specifies in its endpoint descriptors, but there's no way for > the xHCI driver to know that. It can only use the interval and max > packet size advertised in the endpoint descriptor. There needs to be a > new API for USB video drivers to tell the xHCI driver what the real > bandwidth expectations are. Until then, your webcam won't work under > xHCI. But this same objection applies when the camera is plugged into a USB-2.0 controller. Since it works then, it should also work with xHCI. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html