134 /* Helper function to set the duty cycle ratio to duty/4096 (e.g. duty=2048 -> 50%) */
135 static void pca9685_pwm_set_duty(struct pca9685 *pca, int channel, unsigned int duty)  in pca9685_pwm_set_duty()  argument
140 	if (duty == 0) {  in pca9685_pwm_set_duty()
144 	} else if (duty >= PCA9685_COUNTER_RANGE) {  in pca9685_pwm_set_duty()
158 		 * configured duty cycle / power output.  in pca9685_pwm_set_duty()
164 	off = (on + duty) % PCA9685_COUNTER_RANGE;  in pca9685_pwm_set_duty()
201 	/* Read ON register to calculate duty cycle of staggered output */  in pca9685_pwm_get_duty()
367 	unsigned long long duty, prescale;  in __pca9685_pwm_apply()  local
409 	duty = PCA9685_COUNTER_RANGE * state->duty_cycle;  in __pca9685_pwm_apply()
410 	duty = DIV_ROUND_UP_ULL(duty, state->period);  in __pca9685_pwm_apply()
411 	pca9685_pwm_set_duty(pca, pwm->hwpwm, duty);  in __pca9685_pwm_apply()
438 	unsigned long long duty;  in pca9685_pwm_get_state()  local
465 	duty = pca9685_pwm_get_duty(pca, pwm->hwpwm);  in pca9685_pwm_get_state()
466 	state->duty_cycle = DIV_ROUND_DOWN_ULL(duty * state->period, PCA9685_COUNTER_RANGE);  in pca9685_pwm_get_state()