Alan Stern wrote: > On Tue, 23 Apr 2013, Clemens Ladisch wrote: >> Why is having a queue of two URB with one packet each suddenly not >> allowed? > > It _is_ allowed when URB_ISO_ASAP is clear. I have never fully > understood why the audio driver sets that flag. By setting it, you are > telling the host controller driver that you are willing to give up > reduced latency in order to avoid underruns. This flag was needed to avoid having to set urb->start_frame. With the changed queueing API, the audio driver needs to change too. I'll look into this ... 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
