SR_PRIV int rigol_ds_channel_start(const struct sr_dev_inst *sdi);
SR_PRIV int rigol_ds_receive(int fd, int revents, void *cb_data);
SR_PRIV int rigol_ds_get_dev_cfg(const struct sr_dev_inst *sdi);
+SR_PRIV int rigol_ds_get_dev_cfg_vertical(const struct sr_dev_inst *sdi);
#endif