-SR_PRIV int sr_scpi_source_add(struct sr_scpi_dev_inst *scpi, int events,
- int timeout, sr_receive_data_callback cb, void *cb_data)
+SR_PRIV int sr_scpi_source_add(struct sr_session *session,
+ struct sr_scpi_dev_inst *scpi, int events, int timeout,
+ sr_receive_data_callback cb, void *cb_data)