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Commit adab30d7 authored by Kevin Liu's avatar Kevin Liu Committed by Dmitry Torokhov
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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
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+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),