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Commit 67a67272 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: convert platform_lcd 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>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 35c1682c

drivers/video/backlight/platform_lcd.c

+10 −9
Original line number Diff line number Diff line
@@ -121,9 +121,9 @@ static int __devexit platform_lcd_remove(struct platform_device *pdev) 
}



#ifdef CONFIG_PM

static int platform_lcd_suspend(struct platform_device *pdev, pm_message_t st)

static int platform_lcd_suspend(struct device *dev)

{

	struct platform_lcd *plcd = platform_get_drvdata(pdev);

	struct platform_lcd *plcd = dev_get_drvdata(dev);



	plcd->suspended = 1;

	platform_lcd_set_power(plcd->lcd, plcd->power);
@@ -131,29 +131,30 @@ static int platform_lcd_suspend(struct platform_device *pdev, pm_message_t st) 
	return 0;

}



static int platform_lcd_resume(struct platform_device *pdev)

static int platform_lcd_resume(struct device *dev)

{

	struct platform_lcd *plcd = platform_get_drvdata(pdev);

	struct platform_lcd *plcd = dev_get_drvdata(dev);



	plcd->suspended = 0;

	platform_lcd_set_power(plcd->lcd, plcd->power);



	return 0;

}

#else

#define platform_lcd_suspend NULL

#define platform_lcd_resume NULL



static SIMPLE_DEV_PM_OPS(platform_lcd_pm_ops, platform_lcd_suspend,

			platform_lcd_resume);

#endif



static struct platform_driver platform_lcd_driver = {

	.driver		= {

		.name	= "platform-lcd",

		.owner	= THIS_MODULE,

#ifdef CONFIG_PM

		.pm	= &platform_lcd_pm_ops,

#endif

	},

	.probe		= platform_lcd_probe,

	.remove		= __devexit_p(platform_lcd_remove),

	.suspend        = platform_lcd_suspend,

	.resume         = platform_lcd_resume,

};



module_platform_driver(platform_lcd_driver);