SR_API int sr_driver_init(struct sr_context *ctx,
struct sr_dev_driver *driver);
SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options);
-SR_API int sr_config_get(struct sr_dev_driver *driver, int key,
+SR_API int sr_config_get(const struct sr_dev_driver *driver, int key,
const void **data, const struct sr_dev_inst *sdi);
SR_API int sr_config_set(const struct sr_dev_inst *sdi, int key,
const void *value);