- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- return v4l2_ctrl_query_fill(qc, -64, 64, 1, 64);
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qc, -64, 64, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- }
- return -EINVAL;
-}
-
-static int cam_g_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct w9966 *cam = video_drvdata(file);
- int ret = 0;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->value = cam->brightness;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->value = cam->contrast;
- break;
- case V4L2_CID_SATURATION:
- ctrl->value = cam->color;
- break;
- case V4L2_CID_HUE:
- ctrl->value = cam->hue;
- break;
- default:
- ret = -EINVAL;
- break;
- }
- return ret;
-}
-
-static int cam_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctrl)
-{
- struct w9966 *cam = video_drvdata(file);