diff -r 5dc02b23752f -r 3e2da88830cd src/multimedia/audio/qaudiodeviceinfo_alsa_p.h
--- a/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h	Tue Jul 06 15:10:48 2010 +0300
+++ b/src/multimedia/audio/qaudiodeviceinfo_alsa_p.h	Wed Aug 18 10:37:55 2010 +0300
@@ -98,6 +98,11 @@
     bool open();
     void close();
 
+    void checkSurround();
+    bool surround40;
+    bool surround51;
+    bool surround71;
+
     QString device;
     QAudio::Mode mode;
     QAudioFormat nearest;