diff --git a/Resources/ALC1220/layout29.xml b/Resources/ALC1220/layout29.xml
index 58a7923ab5..8f0ec811a1 100644
--- a/Resources/ALC1220/layout29.xml
+++ b/Resources/ALC1220/layout29.xml
@@ -19,10 +19,16 @@
 			<dict/>
 			<key>LineIn</key>
 			<dict>
-				<key>MuteGPIO</key>
-				<integer>1342242841</integer>
-				<key>MuteGPIO</key>
-				<integer>1342242842</integer>
+				<key>0</key>
+				<dict>
+					<key>MuteGPIO</key>
+					<integer>1342242841</integer>
+				</dict>
+				<key>1</key>
+				<dict>
+					<key>MuteGPIO</key>
+					<integer>1342242842</integer>
+				</dict>
 			</dict>
 			<key>Mic</key>
 			<dict>