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Diffstat (limited to 'drivers/leds/led-class.c')
-rw-r--r--drivers/leds/led-class.c42
1 files changed, 9 insertions, 33 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 782f95822ea..69e7d86a514 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -72,11 +72,14 @@ static ssize_t led_max_brightness_show(struct device *dev,
return sprintf(buf, "%u\n", led_cdev->max_brightness);
}
-static DEVICE_ATTR(brightness, 0644, led_brightness_show, led_brightness_store);
-static DEVICE_ATTR(max_brightness, 0444, led_max_brightness_show, NULL);
+static struct device_attribute led_class_attrs[] = {
+ __ATTR(brightness, 0644, led_brightness_show, led_brightness_store),
+ __ATTR(max_brightness, 0644, led_max_brightness_show, NULL),
#ifdef CONFIG_LEDS_TRIGGERS
-static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store);
+ __ATTR(trigger, 0644, led_trigger_show, led_trigger_store),
#endif
+ __ATTR_NULL,
+};
/**
* led_classdev_suspend - suspend an led_classdev.
@@ -127,18 +130,11 @@ static int led_resume(struct device *dev)
*/
int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
{
- int rc;
-
led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
"%s", led_cdev->name);
if (IS_ERR(led_cdev->dev))
return PTR_ERR(led_cdev->dev);
- /* register the attributes */
- rc = device_create_file(led_cdev->dev, &dev_attr_brightness);
- if (rc)
- goto err_out;
-
#ifdef CONFIG_LEDS_TRIGGERS
init_rwsem(&led_cdev->trigger_lock);
#endif
@@ -150,36 +146,18 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
if (!led_cdev->max_brightness)
led_cdev->max_brightness = LED_FULL;
- rc = device_create_file(led_cdev->dev, &dev_attr_max_brightness);
- if (rc)
- goto err_out_attr_max;
-
led_update_brightness(led_cdev);
#ifdef CONFIG_LEDS_TRIGGERS
- rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
- if (rc)
- goto err_out_led_list;
-
led_trigger_set_default(led_cdev);
#endif
- printk(KERN_INFO "Registered led device: %s\n",
+ printk(KERN_DEBUG "Registered led device: %s\n",
led_cdev->name);
return 0;
-
-#ifdef CONFIG_LEDS_TRIGGERS
-err_out_led_list:
- device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
-#endif
-err_out_attr_max:
- device_remove_file(led_cdev->dev, &dev_attr_brightness);
- list_del(&led_cdev->node);
-err_out:
- device_unregister(led_cdev->dev);
- return rc;
}
+
EXPORT_SYMBOL_GPL(led_classdev_register);
/**
@@ -190,10 +168,7 @@ EXPORT_SYMBOL_GPL(led_classdev_register);
*/
void led_classdev_unregister(struct led_classdev *led_cdev)
{
- device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
- device_remove_file(led_cdev->dev, &dev_attr_brightness);
#ifdef CONFIG_LEDS_TRIGGERS
- device_remove_file(led_cdev->dev, &dev_attr_trigger);
down_write(&led_cdev->trigger_lock);
if (led_cdev->trigger)
led_trigger_set(led_cdev, NULL);
@@ -215,6 +190,7 @@ static int __init leds_init(void)
return PTR_ERR(leds_class);
leds_class->suspend = led_suspend;
leds_class->resume = led_resume;
+ leds_class->dev_attrs = led_class_attrs;
return 0;
}