AM fix modification

am_fix.h

@@ -22,11 +22,14 @@
 
 #ifdef ENABLE_AM_FIX
 	void AM_fix_init(void);
+	void AM_fix_reset(const unsigned vfo);
 	void AM_fix_10ms(const unsigned vfo, bool force);
 	#ifdef ENABLE_AM_FIX_SHOW_DATA
 		void AM_fix_print_data(const unsigned vfo, char *s);
 	#endif
-		
+	int8_t AM_fix_get_gain_diff();
+	void AM_fix_enable(bool on);
+
 #endif
 
 #endif