34 static void playback_prep_freqn(struct usb_stream_kernel *sk, struct urb *urb)  in playback_prep_freqn()  argument
45 		urb->iso_frame_desc[pack].offset = lb;  in playback_prep_freqn()
46 		urb->iso_frame_desc[pack].length = l;  in playback_prep_freqn()
52 	urb->number_of_packets = pack;  in playback_prep_freqn()
53 	urb->transfer_buffer_length = lb;  in playback_prep_freqn()
60 			   struct urb **urbs, char *transfer,  in init_pipe_urbs()
70 		struct urb *urb = urbs[u];  in init_pipe_urbs()  local
72 		urb->transfer_buffer = transfer;  in init_pipe_urbs()
73 		urb->dev = dev;  in init_pipe_urbs()
74 		urb->pipe = pipe;  in init_pipe_urbs()
75 		urb->number_of_packets = sk->n_o_ps;  in init_pipe_urbs()
76 		urb->context = sk;  in init_pipe_urbs()
77 		urb->interval = 1;  in init_pipe_urbs()
81 		urb->transfer_buffer_length = transfer_length;  in init_pipe_urbs()
82 		desc = urb->iso_frame_desc;  in init_pipe_urbs()
236 static bool balance_check(struct usb_stream_kernel *sk, struct urb *urb)  in balance_check()  argument
239 	if (unlikely(urb->status)) {  in balance_check()
240 		if (urb->status != -ESHUTDOWN && urb->status != -ENOENT)  in balance_check()
241 			snd_printk(KERN_WARNING "status=%i\n", urb->status);  in balance_check()
247 		sk->i_urb = urb;  in balance_check()
251 static bool balance_playback(struct usb_stream_kernel *sk, struct urb *urb)  in balance_playback()  argument
253 	sk->iso_frame_balance += urb->number_of_packets;  in balance_playback()
254 	return balance_check(sk, urb);  in balance_playback()
257 static bool balance_capture(struct usb_stream_kernel *sk, struct urb *urb)  in balance_capture()  argument
259 	sk->iso_frame_balance -= urb->number_of_packets;  in balance_capture()
260 	return balance_check(sk, urb);  in balance_capture()
263 static void subs_set_complete(struct urb **urbs, void (*complete)(struct urb *))  in subs_set_complete()  argument
268 		struct urb *urb = urbs[u];  in subs_set_complete()  local
269 		urb->complete = complete;  in subs_set_complete()
274 		struct urb *inurb)  in usb_stream_prepare_playback()
277 	struct urb *io;  in usb_stream_prepare_playback()
285 		struct urb *ii = sk->completed_inurb;  in usb_stream_prepare_playback()
334 static void prepare_inurb(int number_of_packets, struct urb *iu)  in prepare_inurb()
350 		       struct urb *inurb, struct urb *outurb)  in submit_urbs()
379 	struct urb *iu;  in loop_back()
433 			struct urb *inurb, struct urb *outurb)  in stream_idle()
500 static void i_capture_idle(struct urb *urb)  in i_capture_idle()  argument
502 	struct usb_stream_kernel *sk = urb->context;  in i_capture_idle()
503 	if (balance_capture(sk, urb))  in i_capture_idle()
504 		stream_idle(sk, urb, sk->i_urb);  in i_capture_idle()
507 static void i_playback_idle(struct urb *urb)  in i_playback_idle()  argument
509 	struct usb_stream_kernel *sk = urb->context;  in i_playback_idle()
510 	if (balance_playback(sk, urb))  in i_playback_idle()
511 		stream_idle(sk, sk->i_urb, urb);  in i_playback_idle()
515 			 struct urb *inurb, struct urb *outurb)  in stream_start()
594 static void i_capture_start(struct urb *urb)  in i_capture_start()  argument
596 	struct usb_iso_packet_descriptor *id = urb->iso_frame_desc;  in i_capture_start()
597 	struct usb_stream_kernel *sk = urb->context;  in i_capture_start()
602 	if (urb->status) {  in i_capture_start()
603 		snd_printk(KERN_WARNING "status=%i\n", urb->status);  in i_capture_start()
607 	for (p = 0; p < urb->number_of_packets; ++p) {  in i_capture_start()
619 			id[p].offset + (urb->transfer_buffer - (void *)s);  in i_capture_start()
625 		       urb->iso_frame_desc[0].actual_length);  in i_capture_start()
626 		for (pack = 1; pack < urb->number_of_packets; ++pack) {  in i_capture_start()
627 			int l = urb->iso_frame_desc[pack].actual_length;  in i_capture_start()
636 	if (balance_capture(sk, urb))  in i_capture_start()
637 		stream_start(sk, urb, sk->i_urb);  in i_capture_start()
640 static void i_playback_start(struct urb *urb)  in i_playback_start()  argument
642 	struct usb_stream_kernel *sk = urb->context;  in i_playback_start()
643 	if (balance_playback(sk, urb))  in i_playback_start()
644 		stream_start(sk, sk->i_urb, urb);  in i_playback_start()
669 		struct urb *inurb = sk->inurb[u];  in usb_stream_start()
670 		struct urb *outurb = sk->outurb[u];  in usb_stream_start()