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Commit 07cac9d7 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: omap1: convert omapbl 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 46e1915e

drivers/video/backlight/omap1_bl.c

+10 −12
Original line number Diff line number Diff line
@@ -71,27 +71,24 @@ static void omapbl_blank(struct omap_backlight *bl, int mode) 
	}

}



#ifdef CONFIG_PM

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

#ifdef CONFIG_PM_SLEEP

static int omapbl_suspend(struct device *dev)

{

	struct backlight_device *dev = platform_get_drvdata(pdev);

	struct omap_backlight *bl = bl_get_data(dev);

	struct backlight_device *bl_dev = dev_get_drvdata(dev);

	struct omap_backlight *bl = bl_get_data(bl_dev);



	omapbl_blank(bl, FB_BLANK_POWERDOWN);

	return 0;

}



static int omapbl_resume(struct platform_device *pdev)

static int omapbl_resume(struct device *dev)

{

	struct backlight_device *dev = platform_get_drvdata(pdev);

	struct omap_backlight *bl = bl_get_data(dev);

	struct backlight_device *bl_dev = dev_get_drvdata(dev);

	struct omap_backlight *bl = bl_get_data(bl_dev);



	omapbl_blank(bl, bl->powermode);

	return 0;

}

#else

#define omapbl_suspend	NULL

#define omapbl_resume	NULL

#endif



static int omapbl_set_power(struct backlight_device *dev, int state)
@@ -182,13 +179,14 @@ static int omapbl_remove(struct platform_device *pdev) 
	return 0;

}



static SIMPLE_DEV_PM_OPS(omapbl_pm_ops, omapbl_suspend, omapbl_resume);



static struct platform_driver omapbl_driver = {

	.probe		= omapbl_probe,

	.remove		= omapbl_remove,

	.suspend	= omapbl_suspend,

	.resume		= omapbl_resume,

	.driver		= {

		.name	= "omap-bl",

		.pm	= &omapbl_pm_ops,

	},

};