RT8092_VOUT_STEPUV
vsel_val = (uV - RT8092_VOUT_BASEUV) / RT8092_VOUT_STEPUV;
step_uV = RT8092_VOUT_STEPUV << vbank_idx;
min_uV = (RT8092_VOUT_BASEUV + RT8092_VOUT_STEPUV * RT8092_VOUT_MINSEL) << vbank_idx;