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Commit d7696aad authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: ep93xx: convert ep93xx to dev_pm_ops 



Instead of using legacy suspend/resume methods, using newer dev_pm_ops
structure allows better control over power management.

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent bb074710

drivers/video/backlight/ep93xx_bl.c

+8 −10
Original line number Diff line number Diff line
@@ -115,35 +115,33 @@ static int ep93xxbl_remove(struct platform_device *dev) 
	return 0;

}



#ifdef CONFIG_PM

static int ep93xxbl_suspend(struct platform_device *dev, pm_message_t state)

#ifdef CONFIG_PM_SLEEP

static int ep93xxbl_suspend(struct device *dev)

{

	struct backlight_device *bl = platform_get_drvdata(dev);

	struct backlight_device *bl = dev_get_drvdata(dev);



	return ep93xxbl_set(bl, 0);

}



static int ep93xxbl_resume(struct platform_device *dev)

static int ep93xxbl_resume(struct device *dev)

{

	struct backlight_device *bl = platform_get_drvdata(dev);

	struct backlight_device *bl = dev_get_drvdata(dev);



	backlight_update_status(bl);

	return 0;

}

#else

#define ep93xxbl_suspend	NULL

#define ep93xxbl_resume		NULL

#endif



static SIMPLE_DEV_PM_OPS(ep93xxbl_pm_ops, ep93xxbl_suspend, ep93xxbl_resume);



static struct platform_driver ep93xxbl_driver = {

	.driver		= {

		.name	= "ep93xx-bl",

		.owner	= THIS_MODULE,

		.pm	= &ep93xxbl_pm_ops,

	},

	.probe		= ep93xxbl_probe,

	.remove		= ep93xxbl_remove,

	.suspend	= ep93xxbl_suspend,

	.resume		= ep93xxbl_resume,

};



module_platform_driver(ep93xxbl_driver);