From 97b3189c8189ba3ca353e644fa13d8a359d74092 Mon Sep 17 00:00:00 2001
From: Maksym Telychko <maksym.telychko@globallogic.com>
Date: Fri, 25 Oct 2019 14:22:09 +0300
Subject: MTX-3028 mpower: fix 2g/3g/4g switch algorithm

---
 src/MTS_IO_EG95Radio.cpp | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/MTS_IO_EG95Radio.cpp b/src/MTS_IO_EG95Radio.cpp
index aff53d2..f1c040a 100644
--- a/src/MTS_IO_EG95Radio.cpp
+++ b/src/MTS_IO_EG95Radio.cpp
@@ -58,18 +58,17 @@ ICellularRadio::CODE EG95Radio::getSupportedCellularModes(CELLULAR_MODES &networ
 
 ICellularRadio::CODE EG95Radio::setCellularMode(CELLULAR_MODES networks) {
     std::string prefNet;
-    unsigned int prefOnly = 0;
+    unsigned int prefOnly = 0, prefCount = 0;
     for (int i = sizeof(networks)*CHAR_BIT-1; i>=0; --i){
         switch (1<<i & networks) {
-        case ICellularRadio::CELLULAR_MODE_2G: prefNet += "01"  ; prefOnly = 1; break;
-        case ICellularRadio::CELLULAR_MODE_3G: prefNet += "0302"; prefOnly = 2; break;
-        case ICellularRadio::CELLULAR_MODE_4G: prefNet += "04"  ; prefOnly = 3; break;
-        default: printError("Unhandled preferred network flag.");
+        case ICellularRadio::CELLULAR_MODE_2G: prefNet += "01"  ; prefOnly = 1; prefCount++; break;
+        case ICellularRadio::CELLULAR_MODE_3G: prefNet += "0302"; prefOnly = 2; prefCount++; break;
+        case ICellularRadio::CELLULAR_MODE_4G: prefNet += "04"  ; prefOnly = 3; prefCount++; break;
         }
     }
 
     std::string sCmd;
-    if (prefNet.size() == 2) { // *g-only
+    if (prefCount == 1) { // *g-only
         sCmd = "AT+QCFG=\"nwscanmode\"," + std::to_string(prefOnly);
     } else { // preferred
         sCmd = "AT+QCFG=\"nwscanmode\",0";
-- 
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