rtc: DS1374 wakeup support
Wakeup support implementation. Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -429,12 +429,33 @@ static int __devexit ds1374_remove(struct i2c_client *client)
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return 0;
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}
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#ifdef CONFIG_PM
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static int ds1374_suspend(struct i2c_client *client, pm_message_t state)
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{
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if (client->irq >= 0 && device_may_wakeup(&client->dev))
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enable_irq_wake(client->irq);
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return 0;
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}
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static int ds1374_resume(struct i2c_client *client)
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{
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if (client->irq >= 0 && device_may_wakeup(&client->dev))
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disable_irq_wake(client->irq);
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return 0;
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}
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#else
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#define ds1374_suspend NULL
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#define ds1374_resume NULL
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#endif
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static struct i2c_driver ds1374_driver = {
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.driver = {
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.name = "rtc-ds1374",
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.owner = THIS_MODULE,
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},
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.probe = ds1374_probe,
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.suspend = ds1374_suspend,
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.resume = ds1374_resume,
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.remove = __devexit_p(ds1374_remove),
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.id_table = ds1374_id,
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};
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