};
 
 /* V4L2 controls supported by the driver */
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 };
 
 static const struct v4l2_pix_format vga_mode[] = {
 
 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
         {
          .id = V4L2_CID_BRIGHTNESS,
 
 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 static void setgain(struct gspca_dev *gspca_dev);
 
 /* V4L2 controls supported by the driver */
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 /* Separate brightness control description for Argus QuickClix as it has
    different limits from the other mr97310a cameras */
        {
 
 static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls_ov772x[] = {
+static const struct ctrl sd_ctrls_ov772x[] = {
     {                                                  /* 0 */
        {
                .id      = V4L2_CID_BRIGHTNESS,
        .get = sd_getvflip,
     },
 };
-static struct ctrl sd_ctrls_ov965x[] = {
+static const struct ctrl sd_ctrls_ov965x[] = {
     {                                                  /* 0 */
        {
                .id      = V4L2_CID_BRIGHTNESS,
 
 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define SD_BRIGHTNESS 0
        {
            {
 
 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 /* This control is pac7302 only */
        {
            {
 
 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 /* This control is for both the 7302 and the 7311 */
        {
            {
 
 static int sd_setautoexposure(struct gspca_dev *gspca_dev, s32 val);
 static int sd_getautoexposure(struct gspca_dev *gspca_dev, s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
 #define BRIGHTNESS_IDX 0
            {
 
 static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define BRIGHTNESS_IDX 0
        {
            {
 
 static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define BRIGHTNESS_IDX 0
        {
            {
 
 static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 static int sd_setred_balance(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getred_balance(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define MY_BRIGHTNESS 0
        {
            {
 
 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define SD_BRIGHTNESS 0
        {
            {
 
 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 }
 
 /* control tables */
-static struct ctrl sd_ctrls_12a[] = {
+static const struct ctrl sd_ctrls_12a[] = {
        {
            {
                .id = V4L2_CID_HUE,
        },
 };
 
-static struct ctrl sd_ctrls_72a[] = {
+static const struct ctrl sd_ctrls_72a[] = {
        {
            {
                .id = V4L2_CID_HUE,
 
 static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 };
 
 /* V4L2 controls supported by the driver */
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 };
 
 static int stv_sndctrl(struct gspca_dev *gspca_dev, int set, u8 req, u16 val,
 
 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
            {
                .id      = V4L2_CID_BRIGHTNESS,
 
 static int sd_querymenu(struct gspca_dev *gspca_dev,
                        struct v4l2_querymenu *menu);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
         {
          .id = V4L2_CID_BRIGHTNESS,
 
 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
        {
         {
          .id = V4L2_CID_BRIGHTNESS,
 
 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define BRIGHTNESS_IDX 0
        {
            {
 
 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
 
-static struct ctrl sd_ctrls[] = {
+static const struct ctrl sd_ctrls[] = {
 #define BRIGHTNESS_IDX 0
 #define SD_BRIGHTNESS 0
        {