CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL
{ CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL, 0x00 },
case CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL:
reg = CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL + 0x80 * iir_idx;
int reg = CDC_RX_SIDETONE_IIR0_IIR_COEF_B1_CTL + 0x80 * iir_idx;