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Commit 3e14e689 authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: tdo24m: convert tdo24m 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 a71ed77b

drivers/video/backlight/tdo24m.c

+8 −10
Original line number Original line Diff line number Diff line
@@ -412,25 +412,24 @@ static int tdo24m_remove(struct spi_device *spi) 
	return 0;

	return 0;

}

}





#ifdef CONFIG_PM

#ifdef CONFIG_PM_SLEEP

static int tdo24m_suspend(struct spi_device *spi, pm_message_t state)

static int tdo24m_suspend(struct device *dev)

{

{

	struct tdo24m *lcd = spi_get_drvdata(spi);

	struct tdo24m *lcd = dev_get_drvdata(dev);





	return tdo24m_power(lcd, FB_BLANK_POWERDOWN);

	return tdo24m_power(lcd, FB_BLANK_POWERDOWN);

}

}





static int tdo24m_resume(struct spi_device *spi)

static int tdo24m_resume(struct device *dev)

{

{

	struct tdo24m *lcd = spi_get_drvdata(spi);

	struct tdo24m *lcd = dev_get_drvdata(dev);





	return tdo24m_power(lcd, FB_BLANK_UNBLANK);

	return tdo24m_power(lcd, FB_BLANK_UNBLANK);

}

}

#else

#define tdo24m_suspend	NULL

#define tdo24m_resume	NULL

#endif

#endif





static SIMPLE_DEV_PM_OPS(tdo24m_pm_ops, tdo24m_suspend, tdo24m_resume);



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

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

static void tdo24m_shutdown(struct spi_device *spi)

static void tdo24m_shutdown(struct spi_device *spi)

{

{
@@ -443,12 +442,11 @@ static struct spi_driver tdo24m_driver = { 
	.driver = {

	.driver = {

		.name		= "tdo24m",

		.name		= "tdo24m",

		.owner		= THIS_MODULE,

		.owner		= THIS_MODULE,

		.pm		= &tdo24m_pm_ops,

	},

	},

	.probe		= tdo24m_probe,

	.probe		= tdo24m_probe,

	.remove		= tdo24m_remove,

	.remove		= tdo24m_remove,

	.shutdown	= tdo24m_shutdown,

	.shutdown	= tdo24m_shutdown,

	.suspend	= tdo24m_suspend,

	.resume		= tdo24m_resume,

};

};





module_spi_driver(tdo24m_driver);

module_spi_driver(tdo24m_driver);