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backlight: omap1: convert omapbl 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 16:17:59 -07:00 committed by Linus Torvalds
parent 46e1915eef
commit 07cac9d78f
1 changed files with 10 additions and 12 deletions
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22
drivers/video/backlight/omap1_bl.c
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@ -71,27 +71,24 @@ static void omapbl_blank(struct omap_backlight *bl, int mode)
}
}
#ifdef CONFIG_PM
static int omapbl_suspend(struct platform_device *pdev, pm_message_t state)
#ifdef CONFIG_PM_SLEEP
static int omapbl_suspend(struct device *dev)
{
struct backlight_device *dev = platform_get_drvdata(pdev);
struct omap_backlight *bl = bl_get_data(dev);
struct backlight_device *bl_dev = dev_get_drvdata(dev);
struct omap_backlight *bl = bl_get_data(bl_dev);
omapbl_blank(bl, FB_BLANK_POWERDOWN);
return 0;
}
static int omapbl_resume(struct platform_device *pdev)
static int omapbl_resume(struct device *dev)
{
struct backlight_device *dev = platform_get_drvdata(pdev);
struct omap_backlight *bl = bl_get_data(dev);
struct backlight_device *bl_dev = dev_get_drvdata(dev);
struct omap_backlight *bl = bl_get_data(bl_dev);
omapbl_blank(bl, bl->powermode);
return 0;
}
#else
#define omapbl_suspend NULL
#define omapbl_resume NULL
#endif
static int omapbl_set_power(struct backlight_device *dev, int state)
@ -182,13 +179,14 @@ static int omapbl_remove(struct platform_device *pdev)
return 0;
}
static SIMPLE_DEV_PM_OPS(omapbl_pm_ops, omapbl_suspend, omapbl_resume);
static struct platform_driver omapbl_driver = {
.probe = omapbl_probe,
.remove = omapbl_remove,
.suspend = omapbl_suspend,
.resume = omapbl_resume,
.driver = {
.name = "omap-bl",
.pm = &omapbl_pm_ops,
},
};