From 694a91e5aeaf3be03465f2c268bf7e22b980db08 Mon Sep 17 00:00:00 2001
From: Eric Laurent <elaurent@google.com>
Date: Mon, 3 Aug 2009 08:47:26 -0700
Subject: [PATCH] Fix issue 2029923: DTMF tones not always routed to BT SCO.

Switch DTMF stream from/to A2DP output to/from hardware output when changing call state even if DTMF stream is
not active.