diff --git a/src/conf/cards/EMU10K1.conf b/src/conf/cards/EMU10K1.conf
index 6b1907b4..fd40a097 100644
--- a/src/conf/cards/EMU10K1.conf
+++ b/src/conf/cards/EMU10K1.conf
@@ -33,7 +33,8 @@ EMU10K1.pcm.rear.0 {
 			{
 				name "Wave Surround Playback Volume"
 				preserve true
-				lock true
+				# don't lock a global control
+				# lock true
 				value [ 0 0 ]
 			}
 			{
@@ -65,27 +66,27 @@ EMU10K1.pcm.center_lfe.0 {
 			{
 				name "Wave Center Playback Volume"
 				preserve true
-				lock true
+ 				# lock true
 				value 0
 			}
 			{
 				name "Wave LFE Playback Volume"
 				preserve true
-				lock true
+				# lock true
 				value 0
 			}
 			{
 				name "Headphone Center Playback Switch"
 				index 1
 				preserve true
-				lock true
+				# lock true
 				value true
 			}
 			{
 				name "Headphone LFE Playback Switch"
 				index 1
 				preserve true
-				lock true
+				# lock true
 				value true
 			}
 # if you have a creative's digital receiver, you can get surround/center/lfe