usb_get_current_frame_number
sof = usb_get_current_frame_number(stream->dev->udev);
sample.host_sof = usb_get_current_frame_number(stream->dev->udev);
EXPORT_SYMBOL_GPL(usb_get_current_frame_number);
extern int usb_get_current_frame_number(struct usb_device *usb_dev);
current_frame_number = usb_get_current_frame_number(subs->dev);
subs->last_frame_number = usb_get_current_frame_number(subs->dev);
subs->last_frame_number = usb_get_current_frame_number(subs->dev);
subs->last_frame_number = usb_get_current_frame_number(subs->dev);
current_frame_number = usb_get_current_frame_number(subs->dev);
frame = usb_get_current_frame_number(dev);
now = usb_get_current_frame_number(dev);
usb_get_current_frame_number(usx2y->dev),
usb_get_current_frame_number(usx2y->dev),