diff --git a/sound/soc/uniphier/aio-dma.c b/sound/soc/uniphier/aio-dma.c
index fe272befd967..265d61723e99 100644
--- a/sound/soc/uniphier/aio-dma.c
+++ b/sound/soc/uniphier/aio-dma.c
@@ -14,7 +14,7 @@
 
 #include "aio.h"
 
-static struct snd_pcm_hardware uniphier_aiodma_hw = {
+static const struct snd_pcm_hardware uniphier_aiodma_hw = {
 	.info = SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_MMAP_VALID |
 		SNDRV_PCM_INFO_INTERLEAVED,