PWM_DTY_MASK       49 drivers/pwm/pwm-sun4i.c #define PWM_REG_DTY(reg)	((reg) & PWM_DTY_MASK)
PWM_DTY_MASK      245 drivers/pwm/pwm-sun4i.c 		val = (duty & PWM_DTY_MASK) | PWM_PRD(period);