LPASS_CDC_IIR1_COEF_B1_CTL
(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),
(LPASS_CDC_IIR1_COEF_B1_CTL + 64 * iir_idx),