diff --git a/include/sound/wss.h b/include/sound/wss.h
index 3b53973..1e0dc77 100644
--- a/include/sound/wss.h
+++ b/include/sound/wss.h
@@ -77,8 +77,10 @@
 	unsigned short mode;		/* see to WSS_MODE_XXXX */
 	unsigned short hardware;	/* see to WSS_HW_XXXX */
 	unsigned short hwshare;		/* shared resources */
-	unsigned short single_dma:1,	/* forced single DMA mode (GUS 16-bit daughter board) or dma1 == dma2 */
-		       ebus_flag:1;	/* SPARC: EBUS present */
+	unsigned short single_dma:1,	/* forced single DMA mode (GUS 16-bit */
+					/* daughter board) or dma1 == dma2 */
+		       ebus_flag:1,	/* SPARC: EBUS present */
+		       thinkpad_flag:1;	/* Thinkpad CS4248 needs extra help */
 
 	struct snd_card *card;
 	struct snd_pcm *pcm;