Bug 774000 - Volume is always set to 0 on the device. r=cjones

b2g/chrome/content/settings.js

@@ -53,7 +53,7 @@ SettingsListener.observe('audio.volume.master', 0.5, function(value) {
   if (!audioManager)
     return;
 
-  audioManager.masterVolume = Math.min(0, Math.max(value, 1));
+  audioManager.masterVolume = Math.max(0.0, Math.min(value, 1.0));
 });