/**
* Start this component and all of its subcomponents.
*
- * @return SUCCESS if the component was successfully turned on<br>
+ * @return SUCCESS if the component was either already on or was
+ * successfully turned on<br>
* FAIL otherwise
*/
async command error_t start();
* Stop the component and any pertinent subcomponents (not all
* subcomponents may be turned off due to wakeup timers, etc.).
*
- * @return SUCCESS if the component was successfully turned off<br>
+ * @return SUCCESS if the component was either already off or was
+ * successfully turned off<br>
* FAIL otherwise
*/
async command error_t stop();