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Commit b0792962 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: lm3533_bl: convert lm3533_bl 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 f10a46cf

drivers/video/backlight/lm3533_bl.c

+10 −12
Original line number Diff line number Diff line
@@ -368,29 +368,28 @@ static int lm3533_bl_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM

static int lm3533_bl_suspend(struct platform_device *pdev, pm_message_t state)

#ifdef CONFIG_PM_SLEEP

static int lm3533_bl_suspend(struct device *dev)

{

	struct lm3533_bl *bl = platform_get_drvdata(pdev);

	struct lm3533_bl *bl = dev_get_drvdata(dev);



	dev_dbg(&pdev->dev, "%s\n", __func__);

	dev_dbg(dev, "%s\n", __func__);



	return lm3533_ctrlbank_disable(&bl->cb);

}



static int lm3533_bl_resume(struct platform_device *pdev)

static int lm3533_bl_resume(struct device *dev)

{

	struct lm3533_bl *bl = platform_get_drvdata(pdev);

	struct lm3533_bl *bl = dev_get_drvdata(dev);



	dev_dbg(&pdev->dev, "%s\n", __func__);

	dev_dbg(dev, "%s\n", __func__);



	return lm3533_ctrlbank_enable(&bl->cb);

}

#else

#define lm3533_bl_suspend	NULL

#define lm3533_bl_resume	NULL

#endif



static SIMPLE_DEV_PM_OPS(lm3533_bl_pm_ops, lm3533_bl_suspend, lm3533_bl_resume);



static void lm3533_bl_shutdown(struct platform_device *pdev)

{

	struct lm3533_bl *bl = platform_get_drvdata(pdev);
@@ -404,12 +403,11 @@ static struct platform_driver lm3533_bl_driver = { 
	.driver = {

		.name	= "lm3533-backlight",

		.owner	= THIS_MODULE,

		.pm	= &lm3533_bl_pm_ops,

	},

	.probe		= lm3533_bl_probe,

	.remove		= lm3533_bl_remove,

	.shutdown	= lm3533_bl_shutdown,

	.suspend	= lm3533_bl_suspend,

	.resume		= lm3533_bl_resume,

};

module_platform_driver(lm3533_bl_driver);