diff --git a/sound/isa/wss/wss_lib.c b/sound/isa/wss/wss_lib.c
index d37f464..ea5d3cd 100644
--- a/sound/isa/wss/wss_lib.c
+++ b/sound/isa/wss/wss_lib.c
@@ -38,7 +38,7 @@ MODULE_LICENSE("GPL");
  *  Some variables
  */
 
-static unsigned char freq_bits[14] = {
+static const unsigned char freq_bits[14] = {
 	/* 5510 */	0x00 | CS4231_XTAL2,
 	/* 6620 */	0x0E | CS4231_XTAL2,
 	/* 8000 */	0x00 | CS4231_XTAL1,
@@ -72,7 +72,7 @@ static int snd_wss_xrate(struct snd_pcm_runtime *runtime)
 					  &hw_constraints_rates);
 }
 
-static unsigned char snd_wss_original_image[32] =
+static const unsigned char snd_wss_original_image[32] =
 {
 	0x00,			/* 00/00 - lic */
 	0x00,			/* 01/01 - ric */
@@ -108,7 +108,7 @@ static unsigned char snd_wss_original_image[32] =
 	0x00,			/* 1f/31 - cbrl */
 };
 
-static unsigned char snd_opti93x_original_image[32] =
+static const unsigned char snd_opti93x_original_image[32] =
 {
 	0x00,		/* 00/00 - l_mixout_outctrl */
 	0x00,		/* 01/01 - r_mixout_outctrl */