diff options
Diffstat (limited to 'drivers/rtc/rtc-m41t80.c')
| -rw-r--r-- | drivers/rtc/rtc-m41t80.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 042d6a244aad..58698d21c2c3 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -335,6 +335,30 @@ static struct rtc_class_ops m41t80_rtc_ops = { .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) { @@ -870,6 +894,7 @@ static int m41t80_remove(struct i2c_client *client) static struct i2c_driver m41t80_driver = { .driver = { .name = "rtc-m41t80", + .pm = &m41t80_pm, }, .probe = m41t80_probe, .remove = m41t80_remove, |