The routine is not even implemented.
int connman_device_set_disconnected(struct connman_device *device,
connman_bool_t disconnected);
connman_bool_t connman_device_get_disconnected(struct connman_device *device);
int connman_device_set_disconnected(struct connman_device *device,
connman_bool_t disconnected);
connman_bool_t connman_device_get_disconnected(struct connman_device *device);
-int connman_device_set_connected(struct connman_device *device,
- connman_bool_t connected);
int connman_device_set_string(struct connman_device *device,
const char *key, const char *value);
int connman_device_set_string(struct connman_device *device,
const char *key, const char *value);