retval = i2c_smbus_write_byte_data(client, M41T80_REG_ALARM_MON, flags);
if (retval < 0) {
- dev_info(dev, "Unable to enable alarm IRQ %d\n", retval);
+ dev_err(dev, "Unable to enable alarm IRQ %d\n", retval);
return retval;
}
return 0;
alrm->time.tm_sec = bcd2bin(alarmvals[4] & 0x7f);
alrm->time.tm_min = bcd2bin(alarmvals[3] & 0x7f);
alrm->time.tm_hour = bcd2bin(alarmvals[2] & 0x3f);
- alrm->time.tm_wday = -1;
alrm->time.tm_mday = bcd2bin(alarmvals[1] & 0x3f);
alrm->time.tm_mon = bcd2bin(alarmvals[0] & 0x3f);
- alrm->time.tm_year = -1;
alrm->enabled = !!(alarmvals[0] & M41T80_ALMON_AFE);
alrm->pending = (flags & M41T80_FLAGS_AF) && alrm->enabled;
.proc = m41t80_rtc_proc,
};
+#ifdef CONFIG_PM_SLEEP
+static int m41t80_suspend(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (client->irq >= 0 && device_may_wakeup(dev))
+ enable_irq_wake(client->irq);
+
+ return 0;
+}
+
+static int m41t80_resume(struct device *dev)
+{
+ struct i2c_client *client = to_i2c_client(dev);
+
+ if (client->irq >= 0 && device_may_wakeup(dev))
+ disable_irq_wake(client->irq);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(m41t80_pm, m41t80_suspend, m41t80_resume);
+
static ssize_t flags_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return rc;
}
- rc = devm_add_action(&client->dev, m41t80_remove_sysfs_group,
- &client->dev);
+ rc = devm_add_action_or_reset(&client->dev, m41t80_remove_sysfs_group,
+ &client->dev);
if (rc) {
- m41t80_remove_sysfs_group(&client->dev);
dev_err(&client->dev,
"Failed to add sysfs cleanup action: %d\n", rc);
return rc;
static struct i2c_driver m41t80_driver = {
.driver = {
.name = "rtc-m41t80",
+ .pm = &m41t80_pm,
},
.probe = m41t80_probe,
.remove = m41t80_remove,