2 files changed, 4 insertions(+), 12 deletions(-)

M changelog.md
M module-sys/SystemManager/PowerManager.cpp

@@ 12,6 12,7 @@
 
 * Input keyboard language files parser from KBD to JSON.
 * Input language files are now loaded based on files in "profiles" folder.
+* Minimum CPU frequency is now 132 MHz
 
 ### Fixed
 

@@ 79,24 79,15 @@ namespace sys
         const auto freq = lowPowerControl->GetCurrentFrequency();
         auto level      = bsp::LowPowerMode::CpuFrequency::Level_1;
 
+        // We temporarily limit the minimum CPU frequency
+        // due to problems with the UART of the GSM modem
         switch (freq) {
         case bsp::LowPowerMode::CpuFrequency::Level_6:
             level = bsp::LowPowerMode::CpuFrequency::Level_5;
             break;
-        case bsp::LowPowerMode::CpuFrequency::Level_5:
+        default:
             level = bsp::LowPowerMode::CpuFrequency::Level_4;
             break;
-        case bsp::LowPowerMode::CpuFrequency::Level_4:
-            level = bsp::LowPowerMode::CpuFrequency::Level_3;
-            break;
-        case bsp::LowPowerMode::CpuFrequency::Level_3:
-            level = bsp::LowPowerMode::CpuFrequency::Level_2;
-            break;
-        case bsp::LowPowerMode::CpuFrequency::Level_2:
-            level = bsp::LowPowerMode::CpuFrequency::Level_1;
-            break;
-        case bsp::LowPowerMode::CpuFrequency::Level_1:
-            break;
         }
 
         // decrease frequency first