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Commit d1720b57 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: da903x_bl: use BL_CORE_SUSPENDRESUME option 



Use BL_CORE_SUSPENDRESUME option to support suspend/resume.  It reduces
code size.

Signed-off-by: default avatarJingoo Han <jg1.han@samsung.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4cfbfa97

drivers/video/backlight/da903x_bl.c

+5 −25
Original line number Diff line number Diff line
@@ -88,16 +88,21 @@ static int da903x_backlight_update_status(struct backlight_device *bl) 
	if (bl->props.fb_blank != FB_BLANK_UNBLANK)

		brightness = 0;



	if (bl->props.state & BL_CORE_SUSPENDED)

		brightness = 0;



	return da903x_backlight_set(bl, brightness);

}



static int da903x_backlight_get_brightness(struct backlight_device *bl)

{

	struct da903x_backlight_data *data = bl_get_data(bl);



	return data->current_brightness;

}



static const struct backlight_ops da903x_backlight_ops = {

	.options	= BL_CORE_SUSPENDRESUME,

	.update_status	= da903x_backlight_update_status,

	.get_brightness	= da903x_backlight_get_brightness,

};
@@ -161,35 +166,10 @@ static int da903x_backlight_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM

static int da903x_backlight_suspend(struct device *dev)

{

	struct backlight_device *bl = dev_get_drvdata(dev);



	return da903x_backlight_set(bl, 0);

}



static int da903x_backlight_resume(struct device *dev)

{

	struct backlight_device *bl = dev_get_drvdata(dev);



	backlight_update_status(bl);

	return 0;

}



static const struct dev_pm_ops da903x_backlight_pm_ops = {

	.suspend	= da903x_backlight_suspend,

	.resume		= da903x_backlight_resume,

};

#endif



static struct platform_driver da903x_backlight_driver = {

	.driver		= {

		.name	= "da903x-backlight",

		.owner	= THIS_MODULE,

#ifdef CONFIG_PM

		.pm	= &da903x_backlight_pm_ops,

#endif

	},

	.probe		= da903x_backlight_probe,

	.remove		= da903x_backlight_remove,