static unsigned int rxclk_rx_s_carrier(struct cx23885_dev *dev,
				       unsigned int freq,
				       u16 *divider)
{
	*divider = carrier_freq_to_clock_divider(freq);
	cx23888_ir_write4(dev, CX23888_IR_RXCLK_REG, *divider);
	return clock_divider_to_carrier_freq(*divider);
}