backlight: ep93xx: convert ep93xx 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>
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
index fd073b2..3345582 100644
--- a/drivers/video/backlight/ep93xx_bl.c
+++ b/drivers/video/backlight/ep93xx_bl.c
@@ -115,35 +115,33 @@
return 0;
}
-#ifdef CONFIG_PM
-static int ep93xxbl_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int ep93xxbl_suspend(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(dev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
return ep93xxbl_set(bl, 0);
}
-static int ep93xxbl_resume(struct platform_device *dev)
+static int ep93xxbl_resume(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(dev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
backlight_update_status(bl);
return 0;
}
-#else
-#define ep93xxbl_suspend NULL
-#define ep93xxbl_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(ep93xxbl_pm_ops, ep93xxbl_suspend, ep93xxbl_resume);
+
static struct platform_driver ep93xxbl_driver = {
.driver = {
.name = "ep93xx-bl",
.owner = THIS_MODULE,
+ .pm = &ep93xxbl_pm_ops,
},
.probe = ep93xxbl_probe,
.remove = ep93xxbl_remove,
- .suspend = ep93xxbl_suspend,
- .resume = ep93xxbl_resume,
};
module_platform_driver(ep93xxbl_driver);