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backlight: lm3533_bl: convert lm3533_bl 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 16:17:44 -07:00 committed by Linus Torvalds
parent f10a46cfe0
commit b079296259
1 changed files with 10 additions and 12 deletions
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22
drivers/video/backlight/lm3533_bl.c
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@ -368,29 +368,28 @@ static int lm3533_bl_remove(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP
static int lm3533_bl_suspend(struct platform_device *pdev, pm_message_t state) static int lm3533_bl_suspend(struct device *dev)
{ {
struct lm3533_bl *bl = platform_get_drvdata(pdev); struct lm3533_bl *bl = dev_get_drvdata(dev);
dev_dbg(&pdev->dev, "%s\n", __func__); dev_dbg(dev, "%s\n", __func__);
return lm3533_ctrlbank_disable(&bl->cb); return lm3533_ctrlbank_disable(&bl->cb);
} }
static int lm3533_bl_resume(struct platform_device *pdev) static int lm3533_bl_resume(struct device *dev)
{ {
struct lm3533_bl *bl = platform_get_drvdata(pdev); struct lm3533_bl *bl = dev_get_drvdata(dev);
dev_dbg(&pdev->dev, "%s\n", __func__); dev_dbg(dev, "%s\n", __func__);
return lm3533_ctrlbank_enable(&bl->cb); return lm3533_ctrlbank_enable(&bl->cb);
} }
#else
#define lm3533_bl_suspend NULL
#define lm3533_bl_resume NULL
#endif #endif
static SIMPLE_DEV_PM_OPS(lm3533_bl_pm_ops, lm3533_bl_suspend, lm3533_bl_resume);
static void lm3533_bl_shutdown(struct platform_device *pdev) static void lm3533_bl_shutdown(struct platform_device *pdev)
{ {
struct lm3533_bl *bl = platform_get_drvdata(pdev); struct lm3533_bl *bl = platform_get_drvdata(pdev);
@ -404,12 +403,11 @@ static struct platform_driver lm3533_bl_driver = {
.driver = { .driver = {
.name = "lm3533-backlight", .name = "lm3533-backlight",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = &lm3533_bl_pm_ops,
}, },
.probe = lm3533_bl_probe, .probe = lm3533_bl_probe,
.remove = lm3533_bl_remove, .remove = lm3533_bl_remove,
.shutdown = lm3533_bl_shutdown, .shutdown = lm3533_bl_shutdown,
.suspend = lm3533_bl_suspend,
.resume = lm3533_bl_resume,
}; };
module_platform_driver(lm3533_bl_driver); module_platform_driver(lm3533_bl_driver);