iio_backend_num_lanes_set
ret = iio_backend_num_lanes_set(st->back, st->num_lanes);
ret = iio_backend_num_lanes_set(st->back, num_lanes);
EXPORT_SYMBOL_NS_GPL(iio_backend_num_lanes_set, "IIO_BACKEND");
int iio_backend_num_lanes_set(struct iio_backend *back, unsigned int num_lanes);