diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 389e8eb..d6361dab 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -910,11 +910,10 @@
  * Returns 1 if the given PCM format is CPU-endian, 0 if
  * opposite, or a negative error code if endian not specified.
  */
-/* int snd_pcm_format_cpu_endian(snd_pcm_format_t format); */
 #ifdef SNDRV_LITTLE_ENDIAN
-#define snd_pcm_format_cpu_endian	snd_pcm_format_little_endian
+#define snd_pcm_format_cpu_endian(format) snd_pcm_format_little_endian(format)
 #else
-#define snd_pcm_format_cpu_endian	snd_pcm_format_big_endian
+#define snd_pcm_format_cpu_endian(format) snd_pcm_format_big_endian(format)
 #endif
 int snd_pcm_format_width(snd_pcm_format_t format);			/* in bits */
 int snd_pcm_format_physical_width(snd_pcm_format_t format);		/* in bits */