Fix #211: AM reception chopping

am_fix.c

@@ -313,13 +313,13 @@ void AM_fix_10ms(const unsigned vfo, bool force)
 		case FUNCTION_TRANSMIT:
 		case FUNCTION_BAND_SCOPE:
 		case FUNCTION_POWER_SAVE:
-		case FUNCTION_FOREGROUND:
 #ifdef ENABLE_AM_FIX_SHOW_DATA
 			counter = display_update_rate;  // queue up a display update as soon as we switch to RX mode
 #endif
 			return;
 
 		// only adjust stuff if we're in one of these modes
+		case FUNCTION_FOREGROUND:
 		case FUNCTION_RECEIVE:
 		case FUNCTION_MONITOR:
 		case FUNCTION_INCOMING:

radio.c

@@ -773,7 +773,7 @@ void RADIO_SetupRegisters(bool switchToForeground)
 		}
 	#endif
 
-	RADIO_SetupAGC(false, false);
+	RADIO_SetupAGC(gRxVfo->Modulation == MODULATION_AM, false);
 
 	// enable/disable BK4819 selected interrupts
 	BK4819_WriteRegister(BK4819_REG_3F, InterruptMask);