v4l2_g_ext_ctrls
ret = v4l2_g_ext_ctrls(pipe->external->ctrl_handler, &video->video,
EXPORT_SYMBOL(v4l2_g_ext_ctrls);
return v4l2_g_ext_ctrls(vfh->ctrl_handler,
return v4l2_g_ext_ctrls(vfd->ctrl_handler,
return v4l2_g_ext_ctrls(vfh->ctrl_handler,
int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct video_device *vdev,