CS48L32_EQ2_BAND1_COEFF1
block_idx /= (CS48L32_EQ2_BAND1_COEFF1 - CS48L32_EQ1_BAND1_COEFF1);
block_idx /= (CS48L32_EQ2_BAND1_COEFF1 - CS48L32_EQ1_BAND1_COEFF1);
reg += w->shift * (CS48L32_EQ2_BAND1_COEFF1 - CS48L32_EQ1_BAND1_COEFF1);