pulseaudio: Install an alternative default config that loads the droid modules if available

recipes-multimedia/pulseaudio/pulseaudio/default.pa

+#!/usr/bin/pulseaudio -nF
+#
+# This file is part of PulseAudio.
+#
+# PulseAudio is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# PulseAudio is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+
+### Automatically load driver modules depending on the hardware available
+.ifexists module-udev-detect.so
+load-module module-udev-detect
+.else
+### Use the static hardware detection module (for systems that lack udev/hal support)
+load-module module-detect
+.endif
+
+### Load several protocols
+.ifexists module-esound-protocol-unix.so
+load-module module-esound-protocol-unix
+.endif
+load-module module-native-protocol-unix
+
+.ifexists module-droid-card.so
+load-module module-droid-card
+.endif
+
+### Automatically restore the volume of streams and devices
+load-module module-stream-restore
+load-module module-device-restore
+
+### Automatically restore the default sink/source when changed by the user
+### during runtime
+### NOTE: This should be loaded as early as possible so that subsequent modules
+### that look up the default sink/source get the right value
+load-module module-default-device-restore
+
+### Automatically move streams to the default sink if the sink they are
+### connected to dies, similar for sources
+load-module module-rescue-streams
+
+### Make sure we always have a sink around, even if it is a null sink.
+load-module module-always-sink
+
+### Automatically suspend sinks/sources that become idle for too long
+load-module module-suspend-on-idle
+
+### Enable positioned event sounds
+load-module module-position-event-sounds

recipes-multimedia/pulseaudio/pulseaudio_%.bbappend

 FILESEXTRAPATHS_prepend := "${THISDIR}/pulseaudio:"
-SRC_URI += " file://1002-build-Install-pulsecore-headers.patch "
+SRC_URI += "file://1002-build-Install-pulsecore-headers.patch \
+            file://default.pa"
+
+do_install_append() {
+    cp ${WORKDIR}/default.pa ${D}/etc/pulse/default.pa
+}