Merge pull request #12 from adafruit/speaker-mute

mute needs to be output, or tone does nothing

Author: jepler

adafruit_pycamera/__init__.py

@@ -258,7 +258,7 @@ def make_debounced_expander_pin(pin_no):
 
         self._card_power = make_expander_output(_AW_SDPWR, True)
 
-        self.mute = make_expander_input(_AW_MUTE)
+        self.mute = make_expander_output(_AW_MUTE, False)
 
         self.sdcard = None
         try: