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Commit 64dcddd8 authored by Magnus Damm's avatar Magnus Damm Committed by Dmitry Torokhov
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Input: tca6416-keypad - suspend/resume wakeup support 



Extend the tca6416 driver to use enable_irq_wake() and disable_irq_wake()
in the suspend/resume hooks.

This makes it possible to wake up from suspend-to-ram using a tca6416 key
on the sh7372 mackerel board.

Signed-off-by: default avatarMagnus Damm <damm@opensource.se>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 4c75de32

drivers/input/keyboard/tca6416-keypad.c

+28 −0
Original line number Diff line number Diff line
@@ -297,6 +297,7 @@ static int __devinit tca6416_keypad_probe(struct i2c_client *client, 
	}



	i2c_set_clientdata(client, chip);

	device_init_wakeup(&client->dev, 1);



	return 0;
@@ -326,10 +327,37 @@ static int __devexit tca6416_keypad_remove(struct i2c_client *client) 
	return 0;

}



#ifdef CONFIG_PM_SLEEP

static int tca6416_keypad_suspend(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct tca6416_keypad_chip *chip = i2c_get_clientdata(client);



	if (device_may_wakeup(dev))

		enable_irq_wake(chip->irqnum);



	return 0;

}



static int tca6416_keypad_resume(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);

	struct tca6416_keypad_chip *chip = i2c_get_clientdata(client);



	if (device_may_wakeup(dev))

		disable_irq_wake(chip->irqnum);



	return 0;

}

#endif



static SIMPLE_DEV_PM_OPS(tca6416_keypad_dev_pm_ops,

			 tca6416_keypad_suspend, tca6416_keypad_resume);



static struct i2c_driver tca6416_keypad_driver = {

	.driver = {

		.name	= "tca6416-keypad",

		.pm	= &tca6416_keypad_dev_pm_ops,

	},

	.probe		= tca6416_keypad_probe,

	.remove		= __devexit_p(tca6416_keypad_remove),