v4l2_subdev_ir_ops
extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
const struct v4l2_subdev_ir_ops cx25840_ir_ops = {
static const struct v4l2_subdev_ir_ops cx23888_ir_ir_ops = {
const struct v4l2_subdev_ir_ops *ir;