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

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

Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Kevin Liu 2012-03-05 22:24:54 -08:00 committed by Dmitry Torokhov
parent fa3e44f391
commit adab30d738
1 changed files with 34 additions and 0 deletions
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34
drivers/input/misc/max8925_onkey.c
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@ -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),