From d48dba0fe40220df9be3a2bfea90e8fc676ea539 Mon Sep 17 00:00:00 2001
From: Stein Magnus Jodal <stein.magnus@jodal.no>
Date: Sat, 14 Aug 2010 02:41:34 +0200
Subject: [PATCH] Pass backend reference to the mixer constructor, just like
 for the other controllers

---
 mopidy/backends/base/__init__.py | 2 +-
 mopidy/mixers/__init__.py        | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/mopidy/backends/base/__init__.py b/mopidy/backends/base/__init__.py
index 3a484865..abc14c4a 100644
--- a/mopidy/backends/base/__init__.py
+++ b/mopidy/backends/base/__init__.py
@@ -36,7 +36,7 @@ class BaseBackend(object):
         if mixer is not None:
             self.mixer = mixer
         else:
-            self.mixer = get_class(settings.MIXER)()
+            self.mixer = get_class(settings.MIXER)(self)
 
     #: A :class:`multiprocessing.Queue` which can be used by e.g. library
     #: callbacks executing in other threads to send messages to the core
diff --git a/mopidy/mixers/__init__.py b/mopidy/mixers/__init__.py
index 31e5ae8e..3ef1b645 100644
--- a/mopidy/mixers/__init__.py
+++ b/mopidy/mixers/__init__.py
@@ -1,6 +1,11 @@
 class BaseMixer(object):
-    def __init__(self, *args, **kwargs):
-        pass
+    """
+    :param backend: a backend instance
+    :type mixer: :class:`mopidy.backends.base.BaseBackend`
+    """
+
+    def __init__(self, backend, *args, **kwargs):
+        self.backend = backend
 
     @property
     def volume(self):