backlight: adp5520: convert adp5520_bl 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/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index a1e41d4..962d120 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/drivers/video/backlight/adp5520_bl.c
@@ -349,35 +349,34 @@
return 0;
}
-#ifdef CONFIG_PM
-static int adp5520_bl_suspend(struct platform_device *pdev,
- pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+static int adp5520_bl_suspend(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(pdev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
+
return adp5520_bl_set(bl, 0);
}
-static int adp5520_bl_resume(struct platform_device *pdev)
+static int adp5520_bl_resume(struct device *dev)
{
- struct backlight_device *bl = platform_get_drvdata(pdev);
+ struct backlight_device *bl = dev_get_drvdata(dev);
backlight_update_status(bl);
return 0;
}
-#else
-#define adp5520_bl_suspend NULL
-#define adp5520_bl_resume NULL
#endif
+static SIMPLE_DEV_PM_OPS(adp5520_bl_pm_ops, adp5520_bl_suspend,
+ adp5520_bl_resume);
+
static struct platform_driver adp5520_bl_driver = {
.driver = {
.name = "adp5520-backlight",
.owner = THIS_MODULE,
+ .pm = &adp5520_bl_pm_ops,
},
.probe = adp5520_bl_probe,
.remove = adp5520_bl_remove,
- .suspend = adp5520_bl_suspend,
- .resume = adp5520_bl_resume,
};
module_platform_driver(adp5520_bl_driver);