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Commit adab30d7 authored by Kevin Liu's avatar Kevin Liu Committed by Dmitry Torokhov
Browse files

Input: max8925_onkey - allow to be used as a wakeup source 



Implement suspend and resume methods to set up devices as wakeup source.

Signed-off-by: default avatarKevin Liu <kliu5@marvell.com>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent fa3e44f3

drivers/input/misc/max8925_onkey.c

+34 −0
Original line number Diff line number Diff line
@@ -122,6 +122,7 @@ static int __devinit max8925_onkey_probe(struct platform_device *pdev) 
	info->idev->evbit[0] = BIT_MASK(EV_KEY);

	info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);



	device_init_wakeup(&pdev->dev, 1);



	error = input_register_device(info->idev);

	if (error) {
@@ -158,10 +159,43 @@ static int __devexit max8925_onkey_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM_SLEEP

static int max8925_onkey_suspend(struct device *dev)

{

	struct platform_device *pdev = to_platform_device(dev);

	struct max8925_onkey_info *info = platform_get_drvdata(pdev);

	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);



	if (device_may_wakeup(dev)) {

		chip->wakeup_flag |= 1 << (info->irq[0] - chip->irq_base);

		chip->wakeup_flag |= 1 << (info->irq[1] - chip->irq_base);

	}



	return 0;

}



static int max8925_onkey_resume(struct device *dev)

{

	struct platform_device *pdev = to_platform_device(dev);

	struct max8925_onkey_info *info = platform_get_drvdata(pdev);

	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);



	if (device_may_wakeup(dev)) {

		chip->wakeup_flag &= ~(1 << (info->irq[0] - chip->irq_base));

		chip->wakeup_flag &= ~(1 << (info->irq[1] - chip->irq_base));

	}



	return 0;

}

#endif



static SIMPLE_DEV_PM_OPS(max8925_onkey_pm_ops, max8925_onkey_suspend, max8925_onkey_resume);



static struct platform_driver max8925_onkey_driver = {

	.driver		= {

		.name	= "max8925-onkey",

		.owner	= THIS_MODULE,

		.pm	= &max8925_onkey_pm_ops,

	},

	.probe		= max8925_onkey_probe,

	.remove		= __devexit_p(max8925_onkey_remove),