From 32f7e322b2ae07ed5ee220a60e3fc1bdb575d4a7 Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Sun, 5 Feb 2017 02:53:48 +0100
Subject: [PATCH] [Companion] Add missing mask when reading multi protocol
 (fixes #4372)

---
 companion/src/firmwares/opentx/opentxeeprom.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/companion/src/firmwares/opentx/opentxeeprom.cpp b/companion/src/firmwares/opentx/opentxeeprom.cpp
index 39d6a6401..c5fdaa85b 100644
--- a/companion/src/firmwares/opentx/opentxeeprom.cpp
+++ b/companion/src/firmwares/opentx/opentxeeprom.cpp
@@ -3477,7 +3477,7 @@ void OpenTxModelData::afterImport()
     else if (modelData.moduleData[module].protocol == PULSES_MULTIMODULE) {
       // Copy data from ppm struct to multi struct
       unsigned int multiByte = (unsigned  int)((modelData.moduleData[module].ppm.delay - 300) / 50);
-      modelData.moduleData[module].multi.rfProtocol = subprotocols[module]  | ((multiByte & 0x3) << 4);
+      modelData.moduleData[module].multi.rfProtocol = (subprotocols[module] & 0x0f) | ((multiByte & 0x3) << 4);
       modelData.moduleData[module].multi.customProto = (multiByte & 0x80) == 0x80;
       modelData.moduleData[module].multi.optionValue = modelData.moduleData[module].ppm.frameLength;
       modelData.moduleData[module].multi.lowPowerMode = modelData.moduleData[module].ppm.outputType;