diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c
index 30bdc971883b..3d7d425fbd24 100644
--- a/sound/sparc/cs4231.c
+++ b/sound/sparc/cs4231.c
@@ -200,12 +200,12 @@ static unsigned char freq_bits[14] = {
 	/* 48000 */	0x0C | CS4231_XTAL1
 };
 
-static unsigned int rates[14] = {
+static const unsigned int rates[14] = {
 	5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050,
 	27042, 32000, 33075, 37800, 44100, 48000
 };
 
-static struct snd_pcm_hw_constraint_list hw_constraints_rates = {
+static const struct snd_pcm_hw_constraint_list hw_constraints_rates = {
 	.count	= ARRAY_SIZE(rates),
 	.list	= rates,
 };