* -2 if val is not HIGH or LOW.\n
* -3 if pin could not be set. With current implementation this should
* never happen.\n
- * -4 if pin is confirmed to be in trouble.
- * This normally indicates a hardware failure and that the driver
- * chip pulled the diagnostic pin.
+ * -4 if a fault is indicated by DIAG pin
*/
int8_t rpp_mout_set(uint8_t pin, uint8_t val);