VAL_TO_VOLT
edata->value_cur = VAL_TO_VOLT(val, volt);
limits->sel_warnmax = VAL_TO_VOLT(val, volt);
limits->sel_warnmin = VAL_TO_VOLT(val, volt);
edata->value_cur = VAL_TO_VOLT(val, sc->sc_vscale[volt]);
limits->sel_warnmax = VAL_TO_VOLT(val, sc->sc_vscale[volt]);
limits->sel_warnmin = VAL_TO_VOLT(val, sc->sc_vscale[volt]);