} while (0)
/**
+ * To lock and unlock Mutex
+ */
+
+#define TETHERING_LOCK \
+ do { \
+ _tethering_lock(); \
+ } while(0)
+
+#define TETHERING_UNLOCK \
+ do { \
+ _tethering_unlock(); \
+ } while(0)
+
+void _tethering_lock(void);
+void _tethering_unlock(void);
+
+/**
* To check supported feature
*/