*  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,
                                          &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 */
        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 */