PWM_ENABLE_MODE_MASK
if ((reg & PWM_ENABLE_MODE_MASK) == PWM_MODE_AUTO) {
switch (reg & PWM_ENABLE_MODE_MASK) {
data->pwm_enable[nr] &= ~PWM_ENABLE_MODE_MASK;
mode = data->pwm_enable[nr] & PWM_ENABLE_MODE_MASK;