soundd: tune volume to reach max at slightly higher noise level

old-commit-hash: d64a5020b2

selfdrive/ui/soundd/sound.cc

@@ -48,7 +48,7 @@ void Sound::update() {
 
   // scale volume using ambient noise level
   if (sm.updated("microphone")) {
-    float volume = util::map_val(sm["microphone"].getMicrophone().getFilteredSoundPressureWeightedDb(), 30.f, 52.f, 0.f, 1.f);
+    float volume = util::map_val(sm["microphone"].getMicrophone().getFilteredSoundPressureWeightedDb(), 30.f, 54.f, 0.f, 1.f);
     volume = QAudio::convertVolume(volume, QAudio::LogarithmicVolumeScale, QAudio::LinearVolumeScale);
     Hardware::set_volume(volume);
   }