+static int sd_s_ctrl(struct v4l2_ctrl *ctrl);
+
+static const struct v4l2_ctrl_ops sd_ctrl_ops = {
+ .s_ctrl = sd_s_ctrl,
+};
+
+/* this function is called at probe time */
+static int sd_init_controls(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 14);
+
+ sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+#define CONTRAST_MAX 127
+ sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, CONTRAST_MAX, 1, 20);
+#define COLORS_DEF 25
+ sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 40, 1, COLORS_DEF);
+ sd->red_bal = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_RED_BALANCE, 24, 40, 1, 32);
+ sd->blue_bal = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_BLUE_BALANCE, 24, 40, 1, 32);
+#define GAMMA_DEF 20
+ sd->gamma = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_GAMMA, 0, 40, 1, GAMMA_DEF);
+
+ if (sd->sensor == SENSOR_OM6802)
+ sd->sharpness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_SHARPNESS, 0, 255, 1, 16);
+ else
+ sd->sharpness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_SHARPNESS, 0, 255, 1, 90);
+
+ if (sd->flags & F_ILLUM)
+ sd->illum = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_ILLUMINATORS_1, 0, 1, 1, 0);
+
+ if (sd->sensor == SENSOR_PO2030N) {
+ gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_EXPOSURE, 500, 1500, 1, 1024);
+ gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_GAIN, 4, 49, 1, 15);
+ sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ }
+
+ if (sd->sensor != SENSOR_ADCM1700 && sd->sensor != SENSOR_OV7660 &&
+ sd->sensor != SENSOR_PO1030 && sd->sensor != SENSOR_SOI768 &&
+ sd->sensor != SENSOR_SP80708)
+ gspca_dev->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+
+ if (sd->sensor == SENSOR_HV7131R || sd->sensor == SENSOR_OV7630 ||
+ sd->sensor == SENSOR_OV7648 || sd->sensor == SENSOR_PO2030N)
+ sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+ if (sd->sensor == SENSOR_OV7630 || sd->sensor == SENSOR_OV7648 ||
+ sd->sensor == SENSOR_OV7660)
+ sd->freq = v4l2_ctrl_new_std_menu(hdl, &sd_ctrl_ops,
+ V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0,
+ V4L2_CID_POWER_LINE_FREQUENCY_50HZ);
+
+ if (hdl->error) {
+ pr_err("Could not initialize controls\n");
+ return hdl->error;
+ }
+
+ v4l2_ctrl_cluster(2, &sd->red_bal);
+ if (sd->sensor == SENSOR_PO2030N) {
+ v4l2_ctrl_cluster(2, &sd->vflip);
+ v4l2_ctrl_auto_cluster(3, &gspca_dev->autogain, 0, false);
+ }
+
+ return 0;
+}
+