Made mute button work

src/main.cpp

@@ -5,7 +5,6 @@ const int STAFF_STEPS = 16;
 
 int maxVolume = 64;
 int userVolume = 64;
-int potPosition = 64;
 int oldUserVolume = userVolume;
 
 void volumeUp();
@@ -85,12 +84,16 @@ void loop()
         for (int i = 0; i < (userVolume - maxVolume); i++)
         {
           volumeDown();
-          potPosition--;
         }
 
         userVolume = maxVolume;
         oldUserVolume = userVolume;
       }
+
+      if (oldUserVolume > maxVolume)
+      {
+        oldUserVolume = maxVolume;
+      }
       delay(300);
     }
   }
@@ -102,17 +105,37 @@ void loop()
     // Check if we are in a muted state
     if (oldUserVolume > userVolume)
     {
+      // This is if the user is muted and is asking to be unmuted
+      // Check if max volume has been lowered since mute
       if (oldUserVolume > maxVolume)
       {
+        // If the max volume has been lowered since mute, then set the user volume to the new max volume
         userVolume = maxVolume;
+
+        for (int i = 0; i < maxVolume; i++)
+        {
+          volumeUp();
+        }
       }
       else
       {
+        // If the max volume hasn't changed then, or the old user volume is lower than the new max - restore it to where it was
         userVolume = oldUserVolume;
+
+        for (int i = 0; i < oldUserVolume; i++)
+        {
+          volumeUp();
+        }
       }
     }
     else
     {
+      // This is if the user is unmuted and is aksing to be muted
+      for (int i = 0; i < userVolume; i++)
+      {
+        volumeDown();
+      }
+
       oldUserVolume = userVolume;
       userVolume = 0;
     }