PWM_RR_EN_TO_REG
data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(0, ix,
data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(1, ix,
data->pwm_rr[ix > 0] = PWM_RR_EN_TO_REG(val > 0, ix,