Pavel Hofman wrote: > On 27.8.2013 09:19, Clemens Ladisch wrote: >> The driver cannot control how many samples actually end up in a capture >> packet,... > > Does this reasoning apply to asynchronous playback too? No. > I understand the driver has some control, but has to satisfy the endpoint > feedback requests. When the driver wants to submit a playback URB, it knows how many samples it is copying into the packets. (There is a delay between the device reporting its desired rate and the driver actually using it.) Regards, Clemens -- 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