Exemplo n.º 1
0
int rtc_alarm_irq_enable(struct rtc_device *rtc, unsigned int enabled)
{
	int err = mutex_lock_interruptible(&rtc->ops_lock);
	if (err)
		return err;

	if (rtc->aie_timer.enabled != enabled) {
		if (enabled)
			err = rtc_timer_enqueue(rtc, &rtc->aie_timer);
		else
			rtc_timer_remove(rtc, &rtc->aie_timer);
	}

	if (err)
		/* nothing */;
	else if (!rtc->ops)
		err = -ENODEV;
	else if (!rtc->ops->alarm_irq_enable)
		err = -EINVAL;
	else
		err = rtc->ops->alarm_irq_enable(rtc->dev.parent, enabled);

	mutex_unlock(&rtc->ops_lock);

	trace_rtc_alarm_irq_enable(enabled, err);
	return err;
}
Exemplo n.º 2
0
static void rtc_alarm_disable(struct rtc_device *rtc)
{
	if (!rtc->ops || !rtc->ops->alarm_irq_enable)
		return;

	rtc->ops->alarm_irq_enable(rtc->dev.parent, false);
	trace_rtc_alarm_irq_enable(0, 0);
}