> Basically invisible. There's a possible exception for iso scheduling, > which could arguably be requested at the microframe (1/8 frame, > frames still taking 1 millisecond). Perhaps webcam and audio > drivers would want to take advantage of that; or, perhaps not. > Don't do this. You can expose micor-frames to drivers, but force them to submit at least 1ms of data per request. Degree of complexity to support arbitrary request boundaries at micro-frame ticks overwhelms any perceived benefit. This is an ehcd issue. At the Oct USB devcon, there was a short blurb on this topic in one of the software sessions. Regards John H. _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: http://lists.sourceforge.net/lists/listinfo/linux-usb-devel