diff --git a/include/sound/ad1848.h b/include/sound/ad1848.h
index b2c3f00a9b35..ca0b6c35e5a9 100644
--- a/include/sound/ad1848.h
+++ b/include/sound/ad1848.h
@@ -27,7 +27,7 @@
 
 /* IO ports */
 
-#define AD1848P( codec, x ) ( (chip) -> port + c_d_c_AD1848##x )
+#define AD1848P( chip, x ) ( (chip) -> port + c_d_c_AD1848##x )
 
 #define c_d_c_AD1848REGSEL	0
 #define c_d_c_AD1848REG		1