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.
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index b13bd29..2e3df08 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -105,6 +105,7 @@
}
led_dat->cdev.brightness_set = gpio_led_set;
led_dat->cdev.brightness = LED_OFF;
+ led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
gpio_direction_output(led_dat->gpio, led_dat->active_low);
@@ -154,44 +155,9 @@
return 0;
}
-#ifdef CONFIG_PM
-static int gpio_led_suspend(struct platform_device *pdev, pm_message_t state)
-{
- struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_led_data *leds_data;
- int i;
-
- leds_data = platform_get_drvdata(pdev);
-
- for (i = 0; i < pdata->num_leds; i++)
- led_classdev_suspend(&leds_data[i].cdev);
-
- return 0;
-}
-
-static int gpio_led_resume(struct platform_device *pdev)
-{
- struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
- struct gpio_led_data *leds_data;
- int i;
-
- leds_data = platform_get_drvdata(pdev);
-
- for (i = 0; i < pdata->num_leds; i++)
- led_classdev_resume(&leds_data[i].cdev);
-
- return 0;
-}
-#else
-#define gpio_led_suspend NULL
-#define gpio_led_resume NULL
-#endif
-
static struct platform_driver gpio_led_driver = {
.probe = gpio_led_probe,
.remove = __devexit_p(gpio_led_remove),
- .suspend = gpio_led_suspend,
- .resume = gpio_led_resume,
.driver = {
.name = "leds-gpio",
.owner = THIS_MODULE,