diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c
index 38d599949ee4..624d9bd5dadd 100644
--- a/sound/soc/pxa/mmp-pcm.c
+++ b/sound/soc/pxa/mmp-pcm.c
@@ -131,7 +131,7 @@ static int mmp_pcm_mmap(struct snd_pcm_substream *substream,
 		vma->vm_end - vma->vm_start, vma->vm_page_prot);
 }
 
-static struct snd_pcm_ops mmp_pcm_ops = {
+static const struct snd_pcm_ops mmp_pcm_ops = {
 	.open		= mmp_pcm_open,
 	.close		= snd_dmaengine_pcm_close_release_chan,
 	.ioctl		= snd_pcm_lib_ioctl,
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
index 636895a778cb..e64958d8bff0 100644
--- a/sound/soc/pxa/pxa2xx-pcm.c
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -45,7 +45,7 @@ static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_pcm_ops pxa2xx_pcm_ops = {
+static const struct snd_pcm_ops pxa2xx_pcm_ops = {
 	.open		= __pxa2xx_pcm_open,
 	.close		= __pxa2xx_pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,