336 static void usbtv_iso_cb(struct urb *ip)  in usbtv_iso_cb()  argument
340 	struct usbtv *usbtv = (struct usbtv *)ip->context;  in usbtv_iso_cb()
342 	switch (ip->status) {  in usbtv_iso_cb()
358 	for (i = 0; i < ip->number_of_packets; i++) {  in usbtv_iso_cb()
359 		int size = ip->iso_frame_desc[i].actual_length;  in usbtv_iso_cb()
360 		unsigned char *data = ip->transfer_buffer +  in usbtv_iso_cb()
361 				ip->iso_frame_desc[i].offset;  in usbtv_iso_cb()
370 	ret = usb_submit_urb(ip, GFP_ATOMIC);  in usbtv_iso_cb()
377 	struct urb *ip;  in usbtv_setup_iso_transfer()  local
381 	ip = usb_alloc_urb(USBTV_ISOC_PACKETS, GFP_KERNEL);  in usbtv_setup_iso_transfer()
382 	if (ip == NULL)  in usbtv_setup_iso_transfer()
385 	ip->dev = usbtv->udev;  in usbtv_setup_iso_transfer()
386 	ip->context = usbtv;  in usbtv_setup_iso_transfer()
387 	ip->pipe = usb_rcvisocpipe(usbtv->udev, USBTV_VIDEO_ENDP);  in usbtv_setup_iso_transfer()
388 	ip->interval = 1;  in usbtv_setup_iso_transfer()
389 	ip->transfer_flags = URB_ISO_ASAP;  in usbtv_setup_iso_transfer()
390 	ip->transfer_buffer = kzalloc(size * USBTV_ISOC_PACKETS,  in usbtv_setup_iso_transfer()
392 	ip->complete = usbtv_iso_cb;  in usbtv_setup_iso_transfer()
393 	ip->number_of_packets = USBTV_ISOC_PACKETS;  in usbtv_setup_iso_transfer()
394 	ip->transfer_buffer_length = size * USBTV_ISOC_PACKETS;  in usbtv_setup_iso_transfer()
396 		ip->iso_frame_desc[i].offset = size * i;  in usbtv_setup_iso_transfer()
397 		ip->iso_frame_desc[i].length = size;  in usbtv_setup_iso_transfer()
400 	return ip;  in usbtv_setup_iso_transfer()
410 		struct urb *ip = usbtv->isoc_urbs[i];  in usbtv_stop()  local
412 		if (ip == NULL)  in usbtv_stop()
414 		usb_kill_urb(ip);  in usbtv_stop()
415 		kfree(ip->transfer_buffer);  in usbtv_stop()
416 		usb_free_urb(ip);  in usbtv_stop()
453 		struct urb *ip;  in usbtv_start()  local
455 		ip = usbtv_setup_iso_transfer(usbtv);  in usbtv_start()
456 		if (ip == NULL) {  in usbtv_start()
460 		usbtv->isoc_urbs[i] = ip;  in usbtv_start()
462 		ret = usb_submit_urb(ip, GFP_KERNEL);  in usbtv_start()