SR_PRIV int lascar_start_logging(const struct sr_dev_inst *sdi);
SR_PRIV int lascar_stop_logging(const struct sr_dev_inst *sdi);
SR_PRIV int lascar_is_logging(const struct sr_dev_inst *sdi);
SR_PRIV int lascar_start_logging(const struct sr_dev_inst *sdi);
SR_PRIV int lascar_stop_logging(const struct sr_dev_inst *sdi);
SR_PRIV int lascar_is_logging(const struct sr_dev_inst *sdi);