RFKILL: set the status of the leds on activation.

Provide default activate function to set the state of the led
when the led becomes bound to the trigger

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index 5c24f3647189..d2d45655cd1a 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -105,6 +105,16 @@ static void rfkill_led_trigger(struct rfkill *rfkill,
 #endif /* CONFIG_RFKILL_LEDS */
 }
 
+#ifdef CONFIG_RFKILL_LEDS
+static void rfkill_led_trigger_activate(struct led_classdev *led)
+{
+        struct rfkill *rfkill = container_of(led->trigger,
+                        struct rfkill, led_trigger);
+
+        rfkill_led_trigger(rfkill, rfkill->state);
+}
+#endif /* CONFIG_RFKILL_LEDS */
+
 static void notify_rfkill_state_change(struct rfkill *rfkill)
 {
         blocking_notifier_call_chain(&rfkill_notifier_list,
@@ -591,6 +601,8 @@ static void rfkill_led_trigger_register(struct rfkill *rfkill)
 
         if (!rfkill->led_trigger.name)
                 rfkill->led_trigger.name = rfkill->dev.bus_id;
+        if (!rfkill->led_trigger.activate)
+                rfkill->led_trigger.activate = rfkill_led_trigger_activate;
         error = led_trigger_register(&rfkill->led_trigger);
         if (error)
                 rfkill->led_trigger.name = NULL;