static int cx23888_ir_tx_write(struct v4l2_subdev *sd, u8 *buf, size_t count,
			       ssize_t *num)
{
	struct cx23888_ir_state *state = to_state(sd);
	struct cx23885_dev *dev = state->dev;
	/* For now enable the Tx FIFO Service interrupt & pretend we did work */
	irqenable_tx(dev, IRQEN_TSE);
	*num = count;
	return 0;
}