Commit 74d836c4 authored by Kevin Liu's avatar Kevin Liu Committed by Samuel Ortiz
Browse files

rtc: max8925: Add function to work as wakeup source 



Signed-off-by: default avatarKevin Liu <kliu5@marvell.com>
Signed-off-by: default avatarHaojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent ba74e80e

drivers/rtc/rtc-max8925.c

+26 −0
Original line number Diff line number Diff line
@@ -261,6 +261,8 @@ static int __devinit max8925_rtc_probe(struct platform_device *pdev) 
	/* 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);
@@ -290,10 +292,34 @@ static int __devexit max8925_rtc_remove(struct platform_device *pdev) 
	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),