diff -urN /linux.vanilla/drivers/sound/ac97_codec.c /linux/drivers/sound/ac97_codec.c
--- /linux.vanilla/drivers/sound/ac97_codec.c	Fri Aug 10 11:06:17 2001
+++ /linux/drivers/sound/ac97_codec.c	Fri Aug 10 11:08:28 2001
@@ -141,6 +141,7 @@
 	{0x83847644, "SigmaTel STAC9744/45",	&sigmatel_9744_ops},
 	{0x83847656, "SigmaTel STAC9756/57",	&sigmatel_9744_ops},
 	{0x83847684, "SigmaTel STAC9783/84?",	&null_ops},
+	{0x57454301, "Winbond 83971D",		&null_ops},
 	{0,}
 };
 
@@ -173,7 +174,7 @@
 	/*  24 */ "Wolfson Microelectronics 3D Enhancement",
 	/*  25 */ "Delta Integration 3D Enhancement",
 	/*  26 */ "SigmaTel 3D Enhancement",
-	/*  27 */ "Reserved 27",
+	/*  27 */ "Winbond 3D Stereo Enhancement",
 	/*  28 */ "Rockwell 3D Stereo Enhancement",
 	/*  29 */ "Reserved 29",
 	/*  30 */ "Reserved 30",