cx18_dequeue
while ((mdl = cx18_dequeue(s_vbi,
mdl = cx18_dequeue(s, &s->q_full);
mdl = cx18_dequeue(s, &s->q_full);
for (mdl = cx18_dequeue(s, &s->q_idle), i = s->bufs_per_mdl;
mdl = cx18_dequeue(s, &s->q_idle)) {
while ((mdl = cx18_dequeue(s, &s->q_idle)))
struct cx18_mdl *cx18_dequeue(struct cx18_stream *s, struct cx18_queue *q);
mdl = cx18_dequeue(s, &s->q_full);
mdl = cx18_dequeue(s, &s->q_free);