diff --git a/sound/arm/aaci.c b/sound/arm/aaci.c
index 4140b1b950544bce0fc0360402d67f7fc5a031d4..74cf452c5c8b2c3cb963f67c6f8b758dd152f69c 100644
--- a/sound/arm/aaci.c
+++ b/sound/arm/aaci.c
@@ -348,7 +348,7 @@ static irqreturn_t aaci_irq(int irq, void *devid)
 /*
  * ALSA support.
  */
-static struct snd_pcm_hardware aaci_hw_info = {
+static const struct snd_pcm_hardware aaci_hw_info = {
 	.info			= SNDRV_PCM_INFO_MMAP |
 				  SNDRV_PCM_INFO_MMAP_VALID |
 				  SNDRV_PCM_INFO_INTERLEAVED |