#define BRIDGE_SN9C110 2
 #define BRIDGE_SN9C120 3
        u8 sensor;                      /* Type of image sensor chip */
-#define SENSOR_ADCM1700 0
-#define SENSOR_HV7131R 1
-#define SENSOR_MI0360 2
-#define SENSOR_MO4000 3
-#define SENSOR_MT9V111 4
-#define SENSOR_OM6802 5
-#define SENSOR_OV7630 6
-#define SENSOR_OV7648 7
-#define SENSOR_OV7660 8
-#define SENSOR_PO1030 9
-#define SENSOR_SP80708 10
+enum {
+       SENSOR_ADCM1700,
+       SENSOR_HV7131R,
+       SENSOR_MI0360,
+       SENSOR_MO4000,
+       SENSOR_MT9V111,
+       SENSOR_OM6802,
+       SENSOR_OV7630,
+       SENSOR_OV7648,
+       SENSOR_OV7660,
+       SENSOR_PO1030,
+       SENSOR_SP80708,
+} sensors;
        u8 i2c_addr;
 
        u8 *jpeg_hdr;
 };
 
 /* table of the disabled controls */
-static __u32 ctrl_dis[] = {
-       (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX) |
-                       (1 << AUTOGAIN_IDX),    /* SENSOR_ADCM1700 0 */
-       (1 << INFRARED_IDX) | (1 << FREQ_IDX),
-                                               /* SENSOR_HV7131R 1 */
-       (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
-                                               /* SENSOR_MI0360 2 */
-       (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
-                                               /* SENSOR_MO4000 3 */
-       (1 << VFLIP_IDX) | (1 << FREQ_IDX),
-                                               /* SENSOR_MT9V111 4 */
-       (1 << INFRARED_IDX) | (1 << VFLIP_IDX) | (1 << FREQ_IDX),
-                                               /* SENSOR_OM6802 5 */
-       (1 << INFRARED_IDX),
-                                               /* SENSOR_OV7630 6 */
-       (1 << INFRARED_IDX),
-                                               /* SENSOR_OV7648 7 */
-       (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX),
-                                               /* SENSOR_OV7660 8 */
-       (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX) |
-                             (1 << FREQ_IDX),  /* SENSOR_PO1030 9 */
-       (1 << AUTOGAIN_IDX) | (1 << INFRARED_IDX) | (1 << VFLIP_IDX) |
-                             (1 << FREQ_IDX),  /* SENSOR_SP80708 10 */
+static const __u32 ctrl_dis[] = {
+[SENSOR_ADCM1700] =    (1 << AUTOGAIN_IDX) |
+                       (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_HV7131R] =     (1 << INFRARED_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_MI0360] =      (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_MO4000] =      (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_MT9V111] =     (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_OM6802] =      (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_OV7630] =      (1 << INFRARED_IDX),
+
+[SENSOR_OV7648] =      (1 << INFRARED_IDX),
+
+[SENSOR_OV7660] =      (1 << AUTOGAIN_IDX) |
+                       (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX),
+
+[SENSOR_PO1030] =      (1 << AUTOGAIN_IDX) |
+                       (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
+
+[SENSOR_SP80708] =     (1 << AUTOGAIN_IDX) |
+                       (1 << INFRARED_IDX) |
+                       (1 << VFLIP_IDX) |
+                       (1 << FREQ_IDX),
 };
 
 static const struct v4l2_pix_format cif_mode[] = {
 
 /* sequence specific to the sensors - !! index = SENSOR_xxx */
 static const u8 *sn_tb[] = {
-       sn_adcm1700,
-       sn_hv7131,
-       sn_mi0360,
-       sn_mo4000,
-       sn_mt9v111,
-       sn_om6802,
-       sn_ov7630,
-       sn_ov7648,
-       sn_ov7660,
-       sn_po1030,
-       sn_sp80708
+[SENSOR_ADCM1700] =    sn_adcm1700,
+[SENSOR_HV7131R] =     sn_hv7131,
+[SENSOR_MI0360] =      sn_mi0360,
+[SENSOR_MO4000] =      sn_mo4000,
+[SENSOR_MT9V111] =     sn_mt9v111,
+[SENSOR_OM6802] =      sn_om6802,
+[SENSOR_OV7630] =      sn_ov7630,
+[SENSOR_OV7648] =      sn_ov7648,
+[SENSOR_OV7660] =      sn_ov7660,
+[SENSOR_PO1030] =      sn_po1030,
+[SENSOR_SP80708] =     sn_sp80708
 };
 
 /* default gamma table */
        {}
 };
 
-static const u8 (*sensor_init[11])[8] = {
-       adcm1700_sensor_init,   /* ADCM1700 0 */
-       hv7131r_sensor_init,    /* HV7131R 1 */
-       mi0360_sensor_init,     /* MI0360 2 */
-       mo4000_sensor_init,     /* MO4000 3 */
-       mt9v111_sensor_init,    /* MT9V111 4 */
-       om6802_sensor_init,     /* OM6802 5 */
-       ov7630_sensor_init,     /* OV7630 6 */
-       ov7648_sensor_init,     /* OV7648 7 */
-       ov7660_sensor_init,     /* OV7660 8 */
-       po1030_sensor_init,     /* PO1030 9 */
-       sp80708_sensor_init,    /* SP80708 10 */
+static const u8 (*sensor_init[])[8] = {
+[SENSOR_ADCM1700] =    adcm1700_sensor_init,
+[SENSOR_HV7131R] =     hv7131r_sensor_init,
+[SENSOR_MI0360] =      mi0360_sensor_init,
+[SENSOR_MO4000] =      mo4000_sensor_init,
+[SENSOR_MT9V111] =     mt9v111_sensor_init,
+[SENSOR_OM6802] =      om6802_sensor_init,
+[SENSOR_OV7630] =      ov7630_sensor_init,
+[SENSOR_OV7648] =      ov7648_sensor_init,
+[SENSOR_OV7660] =      ov7660_sensor_init,
+[SENSOR_PO1030] =      po1030_sensor_init,
+[SENSOR_SP80708] =     sp80708_sensor_init,
 };
 
 /* read <len> bytes to gspca_dev->usb_buf */
        struct sd *sd = (struct sd *) gspca_dev;
        int i, v;
        u8 reg8a[12];                   /* U & V gains */
-       static s16 uv[6] = {            /* same as reg84 in signed decimal */
+       static const s16 uv[6] = {      /* same as reg84 in signed decimal */
                -24, -38, 64,           /* UR UG UB */
                 62, -51, -9            /* VR VG VB */
        };