PCA9685_COUNTER_RANGE  256 drivers/pwm/pwm-pca9685.c 					     PCA9685_COUNTER_RANGE * 1000) - 1;
PCA9685_COUNTER_RANGE  323 drivers/pwm/pwm-pca9685.c 	duty = PCA9685_COUNTER_RANGE * (unsigned long long)duty_ns;