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Commit d0478d0a authored by Michael Hennerich's avatar Michael Hennerich Committed by Dmitry Torokhov
Browse files

Input: bf54x-keys - add infrastructure for keypad wakeups 



Signed-off-by: default avatarMichael Hennerich <michael.hennerich@analog.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent d7b5247b

drivers/input/keyboard/bf54x-keys.c

+32 −3
Original line number Diff line number Diff line
@@ -312,6 +312,8 @@ static int __devinit bfin_kpad_probe(struct platform_device *pdev) 


	bfin_write_KPAD_CTL(bfin_read_KPAD_CTL() | KPAD_EN);



	device_init_wakeup(&pdev->dev, 1);



	printk(KERN_ERR DRV_NAME

		": Blackfin BF54x Keypad registered IRQ %d\n", bf54x_kpad->irq);
@@ -354,13 +356,40 @@ static int __devexit bfin_kpad_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM

static int bfin_kpad_suspend(struct platform_device *pdev, pm_message_t state)

{

	struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);



	if (device_may_wakeup(&pdev->dev))

		enable_irq_wake(bf54x_kpad->irq);



	return 0;

}



static int bfin_kpad_resume(struct platform_device *pdev)

{

	struct bf54x_kpad *bf54x_kpad = platform_get_drvdata(pdev);



	if (device_may_wakeup(&pdev->dev))

		disable_irq_wake(bf54x_kpad->irq);



	return 0;

}

#else

# define bfin_kpad_suspend NULL

# define bfin_kpad_resume  NULL

#endif



struct platform_driver bfin_kpad_device_driver = {

	.probe		= bfin_kpad_probe,

	.remove		= __devexit_p(bfin_kpad_remove),

	.driver		= {

		.name	= DRV_NAME,

		.owner	= THIS_MODULE,

	}

	},

	.probe		= bfin_kpad_probe,

	.remove		= __devexit_p(bfin_kpad_remove),

	.suspend	= bfin_kpad_suspend,

	.resume		= bfin_kpad_resume,

};



static int __init bfin_kpad_init(void)