rfkill: export global states to rfkill-input

Export the the global switch states to rfkill-input.  This is needed to
properly implement KEY_* handling without disregarding the initial state.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/rfkill/rfkill-input.h

@@ -14,5 +14,6 @@
 void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state);
 void rfkill_epo(void);
 void rfkill_restore_states(void);
+enum rfkill_state rfkill_get_global_state(const enum rfkill_type type);
 
 #endif /* __RFKILL_INPUT_H */

net/rfkill/rfkill.c

@@ -323,6 +323,19 @@ void rfkill_restore_states(void)
 }
 EXPORT_SYMBOL_GPL(rfkill_restore_states);
 
+/**
+ * rfkill_get_global_state - returns global state for a type
+ * @type: the type to get the global state of
+ *
+ * Returns the current global state for a given wireless
+ * device type.
+ */
+enum rfkill_state rfkill_get_global_state(const enum rfkill_type type)
+{
+	return rfkill_global_states[type].current_state;
+}
+EXPORT_SYMBOL_GPL(rfkill_get_global_state);
+
 /**
  * rfkill_force_state - Force the internal rfkill radio state
  * @rfkill: pointer to the rfkill class to modify.
@@ -834,6 +847,7 @@ int rfkill_set_default(enum rfkill_type type, enum rfkill_state state)
 
 	if (!test_and_set_bit(type, rfkill_states_lockdflt)) {
 		rfkill_global_states[type].default_state = state;
+		rfkill_global_states[type].current_state = state;
 		error = 0;
 	} else
 		error = -EPERM;