ISO_FRAMES_PER_DESC
#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE)
urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
urb->number_of_packets = ISO_FRAMES_PER_DESC;
for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {
urb = usb_alloc_urb(ISO_FRAMES_PER_DESC, GFP_KERNEL);
urb->number_of_packets = ISO_FRAMES_PER_DESC;
for (j = 0; j < ISO_FRAMES_PER_DESC; j++) {
#define ISO_BUFFER_SIZE (ISO_FRAMES_PER_DESC * ISO_MAX_FRAME_SIZE)