498 static int rtc_sam_set_calibration(const struct device *dev, int32_t calibration)  in rtc_sam_set_calibration()  argument
508 	if ((calibration < RTC_SAM_CALIBRATE_PPB_MIN) ||  in rtc_sam_set_calibration()
509 	    (calibration > RTC_SAM_CALIBRATE_PPB_MAX)) {  in rtc_sam_set_calibration()
514 	if (calibration < 0) {  in rtc_sam_set_calibration()
516 		calibration = -calibration;  in rtc_sam_set_calibration()
545 	if (calibration < RTC_SAM_CALIBRATE_PPB_QUANTA) {  in rtc_sam_set_calibration()
548 	} else if (calibration < RTC_SAM_CALIBRATE_PPB_LOW_SCALE) {  in rtc_sam_set_calibration()
550 		slow_clock_calibration = (uint32_t)((3906000 / (20 * calibration)) - 1);  in rtc_sam_set_calibration()
553 		slow_clock_calibration = (uint32_t)((3906000 / calibration) - 1);  in rtc_sam_set_calibration()
586 static int rtc_sam_get_calibration(const struct device *dev, int32_t *calibration)  in rtc_sam_get_calibration()  argument
594 	if (calibration == NULL) {  in rtc_sam_get_calibration()
604 		*calibration = 0;  in rtc_sam_get_calibration()
606 		*calibration = 3906000 / (correction + 1);  in rtc_sam_get_calibration()
608 		*calibration = 3906000 / ((correction + 1) * 20);  in rtc_sam_get_calibration()
612 		*calibration = -*calibration;  in rtc_sam_get_calibration()