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Commit 986e36a5 authored by Marc Pignat's avatar Marc Pignat Committed by Linus Torvalds
Browse files

rtc: DS1374 wakeup support 



Wakeup support implementation.

Signed-off-by: default avatarMarc Pignat <marc.pignat@hevs.ch>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5d5b4d74

drivers/rtc/rtc-ds1374.c

+21 −0
Original line number Diff line number Diff line
@@ -429,12 +429,33 @@ static int __devexit ds1374_remove(struct i2c_client *client) 
	return 0;

}



#ifdef CONFIG_PM

static int ds1374_suspend(struct i2c_client *client, pm_message_t state)

{

	if (client->irq >= 0 && device_may_wakeup(&client->dev))

		enable_irq_wake(client->irq);

	return 0;

}



static int ds1374_resume(struct i2c_client *client)

{

	if (client->irq >= 0 && device_may_wakeup(&client->dev))

		disable_irq_wake(client->irq);

	return 0;

}

#else

#define ds1374_suspend	NULL

#define ds1374_resume	NULL

#endif



static struct i2c_driver ds1374_driver = {

	.driver = {

		.name = "rtc-ds1374",

		.owner = THIS_MODULE,

	},

	.probe = ds1374_probe,

	.suspend = ds1374_suspend,

	.resume = ds1374_resume,

	.remove = __devexit_p(ds1374_remove),

	.id_table = ds1374_id,

};