diff --git a/sample/civ-1.ini b/sample/civ-1.ini
index a9142b3d..57932fee 100644
--- a/sample/civ-1.ini
+++ b/sample/civ-1.ini
@@ -36,6 +36,11 @@ data_dir=/home/ubuntu/caas
     
 [aaf]
 path=/home/ubuntu/caas/aaf
-    
+audio_type=legacy-hda
+
+#keep this option as true when using audio in passthrough mode
+[audio]
+disable_emulation = true
+
 [extra]
-cmd=-chardev socket,id=charserial0,path=/tmp/civ-console,server=on,wait=off,logfile=/tmp/civ-1_serial.log -serial chardev:charserial0
\ No newline at end of file
+cmd=-chardev socket,id=charserial0,path=/tmp/civ-console,server=on,wait=off,logfile=/tmp/civ-1_serial.log -serial chardev:charserial0