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backlight: kb3886_bl: convert kb3886bl to dev_pm_ops

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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 16:17:43 -07:00 committed by Linus Torvalds
parent b55bb78d29
commit f10a46cfe0
1 changed files with 8 additions and 10 deletions
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18
drivers/video/backlight/kb3886_bl.c
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@ -106,29 +106,28 @@ static int kb3886bl_send_intensity(struct backlight_device *bd)
return 0;
}
#ifdef CONFIG_PM
static int kb3886bl_suspend(struct platform_device *pdev, pm_message_t state)
#ifdef CONFIG_PM_SLEEP
static int kb3886bl_suspend(struct device *dev)
{
struct backlight_device *bd = platform_get_drvdata(pdev);
struct backlight_device *bd = dev_get_drvdata(dev);
kb3886bl_flags |= KB3886BL_SUSPENDED;
backlight_update_status(bd);
return 0;
}
static int kb3886bl_resume(struct platform_device *pdev)
static int kb3886bl_resume(struct device *dev)
{
struct backlight_device *bd = platform_get_drvdata(pdev);
struct backlight_device *bd = dev_get_drvdata(dev);
kb3886bl_flags &= ~KB3886BL_SUSPENDED;
backlight_update_status(bd);
return 0;
}
#else
#define kb3886bl_suspend NULL
#define kb3886bl_resume NULL
#endif
static SIMPLE_DEV_PM_OPS(kb3886bl_pm_ops, kb3886bl_suspend, kb3886bl_resume);
static int kb3886bl_get_intensity(struct backlight_device *bd)
{
return kb3886bl_intensity;
@ -179,10 +178,9 @@ static int kb3886bl_remove(struct platform_device *pdev)
static struct platform_driver kb3886bl_driver = {
.probe = kb3886bl_probe,
.remove = kb3886bl_remove,
.suspend = kb3886bl_suspend,
.resume = kb3886bl_resume,
.driver = {
.name = "kb3886-bl",
.pm = &kb3886bl_pm_ops,
},
};