Substituir linq to sql por linq to entity

static Func<lqDataDataContext, T_PDV, IQueryable<T_PDV>>
            qryConsPdv = CompiledQuery.Compile(
            (lqDataDataContext lqPT, T_PDV p) =>
                lqPT.T_PDVs.Where(i =>
                    i.CNPJ.Contains(p.CNPJ) &&
                    i.RazaoSocial.Contains(p.RazaoSocial)//== (cnpj == "" ? i.CNPJ : cnpj)
                    ));