backlight: hp680_bl: convert hp680bl 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/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index 5cefd73..00076ec 100644 (file)
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -64,29 +64,28 @@ static void hp680bl_send_intensity(struct backlight_device *bd)
 }
 
 
-#ifdef CONFIG_PM
-static int hp680bl_suspend(struct platform_device *pdev, pm_message_t state)
+#ifdef CONFIG_PM_SLEEP
+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_send_intensity(bd);
        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_send_intensity(bd);
        return 0;
 }
-#else
-#define hp680bl_suspend        NULL
-#define hp680bl_resume NULL
 #endif
 
+static SIMPLE_DEV_PM_OPS(hp680bl_pm_ops, hp680bl_suspend, hp680bl_resume);
+
 static int hp680bl_set_intensity(struct backlight_device *bd)
 {
        hp680bl_send_intensity(bd);
@@ -140,10 +139,9 @@ static int hp680bl_remove(struct platform_device *pdev)
 static struct platform_driver hp680bl_driver = {
        .probe          = hp680bl_probe,
        .remove         = hp680bl_remove,
-       .suspend        = hp680bl_suspend,
-       .resume         = hp680bl_resume,
        .driver         = {
                .name   = "hp680-bl",
+               .pm     = &hp680bl_pm_ops,
        },
 };