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Commit 3cd4291a authored by Jingoo Han's avatar Jingoo Han Committed by Linus Torvalds
Browse files

backlight: adp8870: convert adp8870 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 cf108b5c

drivers/video/backlight/adp8870_bl.c

+12 −9
Original line number Diff line number Diff line
@@ -947,25 +947,29 @@ static int adp8870_remove(struct i2c_client *client) 
	return 0;

}



#ifdef CONFIG_PM

static int adp8870_i2c_suspend(struct i2c_client *client, pm_message_t message)

#ifdef CONFIG_PM_SLEEP

static int adp8870_i2c_suspend(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);



	adp8870_clr_bits(client, ADP8870_MDCR, NSTBY);



	return 0;

}



static int adp8870_i2c_resume(struct i2c_client *client)

static int adp8870_i2c_resume(struct device *dev)

{

	struct i2c_client *client = to_i2c_client(dev);



	adp8870_set_bits(client, ADP8870_MDCR, NSTBY | BLEN);



	return 0;

}

#else

#define adp8870_i2c_suspend NULL

#define adp8870_i2c_resume NULL

#endif



static SIMPLE_DEV_PM_OPS(adp8870_i2c_pm_ops, adp8870_i2c_suspend,

			adp8870_i2c_resume);



static const struct i2c_device_id adp8870_id[] = {

	{ "adp8870", 0 },

	{ }
@@ -975,11 +979,10 @@ MODULE_DEVICE_TABLE(i2c, adp8870_id); 
static struct i2c_driver adp8870_driver = {

	.driver = {

		.name	= KBUILD_MODNAME,

		.pm	= &adp8870_i2c_pm_ops,

	},

	.probe    = adp8870_probe,

	.remove   = adp8870_remove,

	.suspend = adp8870_i2c_suspend,

	.resume  = adp8870_i2c_resume,

	.id_table = adp8870_id,

};