This is done by hacking driver->capture_interleave_skip
in usx2y_driver_start(). Other changes in usx2y.c improve
rawusb mode debugging.

An "if (unlikely(x))" optimization commonly found in kernel
code, applied to alsa_driver_run_cycle(), as proposed by
Lee Revell.

Signed-off-by: Karsten Wiese <annabellesgarden@yahoo.de>
Signed-off-by: Rui Nuno Capela <rncbc@rncbc.org>


git-svn-id: svn+ssh://jackaudio.org/trunk/jack@918 0c269be4-1314-0410-8aa9-9f06e86f4224