backlight: convert pwm_bl to dev_pm_ops

[mirror_ubuntu-artful-kernel.git] / drivers / video / backlight / pwm_bl.c

diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 8b5b2a4124c7980129be8146f881772f5c33fa97..7496d04e1d3c1fcda109ae04d12e79c24edacc0e 100644 (file)
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -169,10 +169,9 @@ static int pwm_backlight_remove(struct platform_device *pdev)
 }
 
 #ifdef CONFIG_PM
-static int pwm_backlight_suspend(struct platform_device *pdev,
-                                pm_message_t state)
+static int pwm_backlight_suspend(struct device *dev)
 {
-       struct backlight_device *bl = platform_get_drvdata(pdev);
+       struct backlight_device *bl = dev_get_drvdata(dev);
        struct pwm_bl_data *pb = dev_get_drvdata(&bl->dev);
 
        if (pb->notify)
@@ -184,40 +183,32 @@ static int pwm_backlight_suspend(struct platform_device *pdev,
        return 0;
 }
 
-static int pwm_backlight_resume(struct platform_device *pdev)
+static int pwm_backlight_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 pwm_backlight_suspend  NULL
-#define pwm_backlight_resume   NULL
+
+static SIMPLE_DEV_PM_OPS(pwm_backlight_pm_ops, pwm_backlight_suspend,
+                        pwm_backlight_resume);
+
 #endif
 
 static struct platform_driver pwm_backlight_driver = {
        .driver         = {
                .name   = "pwm-backlight",
                .owner  = THIS_MODULE,
+#ifdef CONFIG_PM
+               .pm     = &pwm_backlight_pm_ops,
+#endif
        },
        .probe          = pwm_backlight_probe,
        .remove         = pwm_backlight_remove,
-       .suspend        = pwm_backlight_suspend,
-       .resume         = pwm_backlight_resume,
 };
 
-static int __init pwm_backlight_init(void)
-{
-       return platform_driver_register(&pwm_backlight_driver);
-}
-module_init(pwm_backlight_init);
-
-static void __exit pwm_backlight_exit(void)
-{
-       platform_driver_unregister(&pwm_backlight_driver);
-}
-module_exit(pwm_backlight_exit);
+module_platform_driver(pwm_backlight_driver);
 
 MODULE_DESCRIPTION("PWM based Backlight Driver");
 MODULE_LICENSE("GPL");