ret = max8925_reg_read(info->rtc, MAX8925_RTC_IRQ_MASK);
if (ret < 0)
goto out;
- if ((ret & ALARM0_IRQ) == 0)
- alrm->enabled = 1;
- else
+ if (ret & ALARM0_IRQ) {
alrm->enabled = 0;
+ } else {
+ ret = max8925_reg_read(info->rtc, MAX8925_ALARM0_CNTL);
+ if (ret < 0)
+ goto out;
+ if (!ret)
+ alrm->enabled = 0;
+ else
+ alrm->enabled = 1;
+ }
ret = max8925_reg_read(info->rtc, MAX8925_RTC_STATUS);
if (ret < 0)
goto out;
alrm->pending = 1;
else
alrm->pending = 0;
+ return 0;
out:
return ret;
}
ret = max8925_bulk_write(info->rtc, MAX8925_ALARM0_SEC, TIME_NUM, buf);
if (ret < 0)
goto out;
- /* only enable alarm on year/month/day/hour/min/sec */
- ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x77);
+ if (alrm->enabled)
+ /* only enable alarm on year/month/day/hour/min/sec */
+ ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x77);
+ else
+ ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x0);
if (ret < 0)
goto out;
out:
/* XXX - isn't this redundant? */
platform_set_drvdata(pdev, info);
+ device_init_wakeup(&pdev->dev, 1);
+
info->rtc_dev = rtc_device_register("max8925-rtc", &pdev->dev,
&max8925_rtc_ops, THIS_MODULE);
ret = PTR_ERR(info->rtc_dev);
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+static int max8925_rtc_suspend(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+
+ if (device_may_wakeup(dev))
+ chip->wakeup_flag |= 1 << MAX8925_IRQ_RTC_ALARM0;
+ return 0;
+}
+static int max8925_rtc_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+
+ if (device_may_wakeup(dev))
+ chip->wakeup_flag &= ~(1 << MAX8925_IRQ_RTC_ALARM0);
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(max8925_rtc_pm_ops, max8925_rtc_suspend, max8925_rtc_resume);
+
static struct platform_driver max8925_rtc_driver = {
.driver = {
.name = "max8925-rtc",
.owner = THIS_MODULE,
+ .pm = &max8925_rtc_pm_ops,
},
.probe = max8925_rtc_probe,
.remove = __devexit_p(max8925_rtc_remove),