Symbol: PCA9685_OSC_CLOCK_HZ
drivers/pwm/pwm-pca9685.c
202
best_prescale = (unsigned int)wf->period_length_ns / (PCA9685_COUNTER_RANGE * (NSEC_PER_SEC / PCA9685_OSC_CLOCK_HZ)) - 1;
drivers/pwm/pwm-pca9685.c
59
#define PCA9685_QUANTUM_NS(_prescale) ((NSEC_PER_SEC / PCA9685_OSC_CLOCK_HZ) * (_prescale + 1))