diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index 373527b206d7..14a065999a89 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -214,7 +214,7 @@ static int byt_acpi_probe(struct snd_sof_dev *sdev)
 }
 
 /* baytrail ops */
-static struct snd_sof_dsp_ops sof_byt_ops = {
+static const struct snd_sof_dsp_ops sof_byt_ops = {
 	/* device init */
 	.probe		= byt_acpi_probe,
 	.remove		= byt_remove,
@@ -289,7 +289,7 @@ static const struct sof_intel_dsp_desc byt_chip_info = {
 };
 
 /* cherrytrail and braswell ops */
-static struct snd_sof_dsp_ops sof_cht_ops = {
+static const struct snd_sof_dsp_ops sof_cht_ops = {
 	/* device init */
 	.probe		= byt_acpi_probe,
 	.remove		= byt_remove,