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Commit a71ed77b authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: ltv350qv: convert ltv350qv 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 5a3778e2

drivers/video/backlight/ltv350qv.c

+8 −10
Original line number Diff line number Diff line
@@ -271,25 +271,24 @@ static int ltv350qv_remove(struct spi_device *spi) 
	return 0;

}



#ifdef CONFIG_PM

static int ltv350qv_suspend(struct spi_device *spi, pm_message_t state)

#ifdef CONFIG_PM_SLEEP

static int ltv350qv_suspend(struct device *dev)

{

	struct ltv350qv *lcd = spi_get_drvdata(spi);

	struct ltv350qv *lcd = dev_get_drvdata(dev);



	return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);

}



static int ltv350qv_resume(struct spi_device *spi)

static int ltv350qv_resume(struct device *dev)

{

	struct ltv350qv *lcd = spi_get_drvdata(spi);

	struct ltv350qv *lcd = dev_get_drvdata(dev);



	return ltv350qv_power(lcd, FB_BLANK_UNBLANK);

}

#else

#define ltv350qv_suspend	NULL

#define ltv350qv_resume		NULL

#endif



static SIMPLE_DEV_PM_OPS(ltv350qv_pm_ops, ltv350qv_suspend, ltv350qv_resume);



/* Power down all displays on reboot, poweroff or halt */

static void ltv350qv_shutdown(struct spi_device *spi)

{
@@ -302,13 +301,12 @@ static struct spi_driver ltv350qv_driver = { 
	.driver = {

		.name		= "ltv350qv",

		.owner		= THIS_MODULE,

		.pm		= &ltv350qv_pm_ops,

	},



	.probe		= ltv350qv_probe,

	.remove		= ltv350qv_remove,

	.shutdown	= ltv350qv_shutdown,

	.suspend	= ltv350qv_suspend,

	.resume		= ltv350qv_resume,

};



module_spi_driver(ltv350qv_driver);