diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index fa919f5..e6f9aa6 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -986,7 +986,7 @@ static int pcxhr_hw_free(struct snd_pcm_substream *subs)
 /*
  *  CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
  */
-static struct snd_pcm_hardware pcxhr_caps =
+static const struct snd_pcm_hardware pcxhr_caps =
 {
 	.info             = (SNDRV_PCM_INFO_MMAP |
 			     SNDRV_PCM_INFO_INTERLEAVED |