-SR_API GSList *sr_dev_inst_list(const struct sr_dev_driver *driver);
-SR_API int sr_dev_inst_clear(const struct sr_dev_driver *driver);
+SR_API GSList *sr_dev_list(const struct sr_dev_driver *driver);
+SR_API int sr_dev_clear(const struct sr_dev_driver *driver);
+SR_API int sr_dev_open(struct sr_dev_inst *sdi);
+SR_API int sr_dev_close(struct sr_dev_inst *sdi);