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, 28 deletions

diff --git a/drivers/leds/leds-ams-delta.c b/drivers/leds/leds-ams-delta.c
index 072157c..4460507 100644
--- a/drivers/leds/leds-ams-delta.c
+++ b/drivers/leds/leds-ams-delta.c
@@ -79,37 +79,12 @@ static struct ams_delta_led ams_delta_leds[] = {
 	},
 };
 
-#ifdef CONFIG_PM
-static int ams_delta_led_suspend(struct platform_device *dev,
-		pm_message_t state)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)
-		led_classdev_suspend(&ams_delta_leds[i].cdev);
-
-	return 0;
-}
-
-static int ams_delta_led_resume(struct platform_device *dev)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++)
-		led_classdev_resume(&ams_delta_leds[i].cdev);
-
-	return 0;
-}
-#else
-#define ams_delta_led_suspend NULL
-#define ams_delta_led_resume NULL
-#endif
-
 static int ams_delta_led_probe(struct platform_device *pdev)
 {
 	int i, ret;
 
 	for (i = 0; i < ARRAY_SIZE(ams_delta_leds); i++) {
+		ams_delta_leds[i].cdev.flags |= LED_CORE_SUSPENDRESUME;
 		ret = led_classdev_register(&pdev->dev,
 				&ams_delta_leds[i].cdev);
 		if (ret < 0)
@@ -136,8 +111,6 @@ static int ams_delta_led_remove(struct platform_device *pdev)
 static struct platform_driver ams_delta_led_driver = {
 	.probe		= ams_delta_led_probe,
 	.remove		= ams_delta_led_remove,
-	.suspend	= ams_delta_led_suspend,
-	.resume		= ams_delta_led_resume,
 	.driver		= {
 		.name = "ams-delta-led",
 		.owner = THIS_MODULE,