diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index c12bc4e..56c26e7 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -233,7 +233,7 @@
  */
 
 /* Amp gain/mute */
-#define AC_AMP_MUTE			(1<<8)
+#define AC_AMP_MUTE			(1<<7)
 #define AC_AMP_GAIN			(0x7f)
 #define AC_AMP_GET_INDEX		(0xf<<0)