v4l2_ctrl_hdr10_cll_info
struct v4l2_ctrl_hdr10_cll_info cll;
struct v4l2_ctrl_hdr10_cll_info p_hdr10_cll = { 1000, 400 };
elem_size = sizeof(struct v4l2_ctrl_hdr10_cll_info);
struct v4l2_ctrl_hdr10_cll_info *p_hdr10_cll;
struct v4l2_ctrl_hdr10_cll_info __user *p_hdr10_cll_info;