leds: Add suspend/resume to the core class

Add suspend/resume to the core class and remove all the now unneeded
code from various drivers. Originally the class code couldn't support
suspend/resume but since class_device can there is no reason for
each driver doing its own suspend/resume anymore.

1 files changed, 1 insertions, 23 deletions

diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 846ed978103f..38c6bcb07e6c 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -184,27 +184,6 @@ static void wm8350_led_set(struct led_classdev *led_cdev,
         spin_unlock_irqrestore(&led->value_lock, flags);
 }
 
-#ifdef CONFIG_PM
-static int wm8350_led_suspend(struct platform_device *pdev, pm_message_t state)
-{
-        struct wm8350_led *led = platform_get_drvdata(pdev);
-
-        led_classdev_suspend(&led->cdev);
-        return 0;
-}
-
-static int wm8350_led_resume(struct platform_device *pdev)
-{
-        struct wm8350_led *led = platform_get_drvdata(pdev);
-
-        led_classdev_resume(&led->cdev);
-        return 0;
-}
-#else
-#define wm8350_led_suspend NULL
-#define wm8350_led_resume NULL
-#endif
-
 static void wm8350_led_shutdown(struct platform_device *pdev)
 {
         struct wm8350_led *led = platform_get_drvdata(pdev);
@@ -255,6 +234,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
         led->cdev.brightness_set = wm8350_led_set;
         led->cdev.default_trigger = pdata->default_trigger;
         led->cdev.name = pdata->name;
+        led->cdev.flags |= LED_CORE_SUSPENDRESUME;
         led->enabled = regulator_is_enabled(isink);
         led->isink = isink;
         led->dcdc = dcdc;
@@ -311,8 +291,6 @@ static struct platform_driver wm8350_led_driver = {
         .probe = wm8350_led_probe,
         .remove = wm8350_led_remove,
         .shutdown = wm8350_led_shutdown,
-        .suspend = wm8350_led_suspend,
-        .resume = wm8350_led_resume,
 };
 
 static int __devinit wm8350_led_init(void)