leds: Rename led_set_brightness() to __led_set_brightness()

Rename leds internal interface led_set_brightness() to __led_set_brightness()
to reduce confusion between led_set_brightness() and the external interface
led_brightness_set(). led_brightness_set() cancels the timer and then calls
led_set_brightness().

Signed-off-by: Shuah Khan <shuahkhan@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
diff --git a/drivers/leds/ledtrig-transient.c b/drivers/leds/ledtrig-transient.c
index 83179f4..398f104 100644
--- a/drivers/leds/ledtrig-transient.c
+++ b/drivers/leds/ledtrig-transient.c
@@ -41,7 +41,7 @@
 	struct transient_trig_data *transient_data = led_cdev->trigger_data;
 
 	transient_data->activate = 0;
-	led_set_brightness(led_cdev, transient_data->restore_state);
+	__led_set_brightness(led_cdev, transient_data->restore_state);
 }
 
 static ssize_t transient_activate_show(struct device *dev,
@@ -72,7 +72,7 @@
 	if (state == 0 && transient_data->activate == 1) {
 		del_timer(&transient_data->timer);
 		transient_data->activate = state;
-		led_set_brightness(led_cdev, transient_data->restore_state);
+		__led_set_brightness(led_cdev, transient_data->restore_state);
 		return size;
 	}
 
@@ -80,7 +80,7 @@
 	if (state == 1 && transient_data->activate == 0 &&
 	    transient_data->duration != 0) {
 		transient_data->activate = state;
-		led_set_brightness(led_cdev, transient_data->state);
+		__led_set_brightness(led_cdev, transient_data->state);
 		transient_data->restore_state =
 		    (transient_data->state == LED_FULL) ? LED_OFF : LED_FULL;
 		mod_timer(&transient_data->timer,
@@ -203,7 +203,7 @@
 
 	if (led_cdev->activated) {
 		del_timer_sync(&transient_data->timer);
-		led_set_brightness(led_cdev, transient_data->restore_state);
+		__led_set_brightness(led_cdev, transient_data->restore_state);
 		device_remove_file(led_cdev->dev, &dev_attr_activate);
 		device_remove_file(led_cdev->dev, &dev_attr_duration);
 		device_remove_file(led_cdev->dev, &dev_attr_state);