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backlight: hp680_bl: convert hp680bl 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 16:17:42 -07:00
committed by Linus Torvalds
parent d7696aad5d
commit b55bb78d29
1 changed files with 8 additions and 10 deletions
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18
drivers/video/backlight/hp680_bl.c
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@@ -64,29 +64,28 @@ static void hp680bl_send_intensity(struct backlight_device *bd)
} }
#ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP
static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state) static int hp680bl_suspend(struct device *dev)
{ {
struct backlight_device *bd = platform_get_drvdata(pdev); struct backlight_device *bd = dev_get_drvdata(dev);
hp680bl_suspended = 1; hp680bl_suspended = 1;
hp680bl_send_intensity(bd); hp680bl_send_intensity(bd);
return 0; return 0;
} }
static int hp680bl_resume(struct platform_device *pdev) static int hp680bl_resume(struct device *dev)
{ {
struct backlight_device *bd = platform_get_drvdata(pdev); struct backlight_device *bd = dev_get_drvdata(dev);
hp680bl_suspended = 0; hp680bl_suspended = 0;
hp680bl_send_intensity(bd); hp680bl_send_intensity(bd);
return 0; return 0;
} }
#else
#define hp680bl_suspend NULL
#define hp680bl_resume NULL
#endif #endif
static SIMPLE_DEV_PM_OPS(hp680bl_pm_ops, hp680bl_suspend, hp680bl_resume);
static int hp680bl_set_intensity(struct backlight_device *bd) static int hp680bl_set_intensity(struct backlight_device *bd)
{ {
hp680bl_send_intensity(bd); hp680bl_send_intensity(bd);
@@ -140,10 +139,9 @@ static int hp680bl_remove(struct platform_device *pdev)
static struct platform_driver hp680bl_driver = { static struct platform_driver hp680bl_driver = {
.probe = hp680bl_probe, .probe = hp680bl_probe,
.remove = hp680bl_remove, .remove = hp680bl_remove,
.suspend = hp680bl_suspend,
.resume = hp680bl_resume,
.driver = { .driver = {
.name = "hp680-bl", .name = "hp680-bl",
.pm = &hp680bl_pm_ops,
}, },
}; };