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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: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jingoo Han 2013-04-29 16:17:40 -07:00 committed by Linus Torvalds
parent cf108b5c98
commit 3cd4291aaf
1 changed files with 12 additions and 9 deletions
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21
drivers/video/backlight/adp8870_bl.c
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@ -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 },
{ }
@ -974,12 +978,11 @@ MODULE_DEVICE_TABLE(i2c, adp8870_id);
static struct i2c_driver adp8870_driver = {
.driver = {
.name = KBUILD_MODNAME,
.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,
};