1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 741d1a62cc3f..4cd64b0d9825 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -49,6 +49,7 @@ enum rfkill_state {
         RFKILL_STATE_SOFT_BLOCKED = 0,  /* Radio output blocked */
         RFKILL_STATE_UNBLOCKED    = 1,  /* Radio output allowed */
         RFKILL_STATE_HARD_BLOCKED = 2,  /* Output blocked, non-overrideable */
+        RFKILL_STATE_MAX,               /* marker for last valid state */
 };
 
 /*
@@ -110,12 +111,14 @@ struct rfkill {
 };
 #define to_rfkill(d)    container_of(d, struct rfkill, dev)
 
-struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type);
+struct rfkill * __must_check rfkill_allocate(struct device *parent,
+                                             enum rfkill_type type);
 void rfkill_free(struct rfkill *rfkill);
-int rfkill_register(struct rfkill *rfkill);
+int __must_check rfkill_register(struct rfkill *rfkill);
 void rfkill_unregister(struct rfkill *rfkill);
 
 int rfkill_force_state(struct rfkill *rfkill, enum rfkill_state state);
+int rfkill_set_default(enum rfkill_type type, enum rfkill_state state);
 
 /**
  * rfkill_state_complement - return complementar state