form update

// Helper
function fakultas($name, $table, $field, $pk, $selected) {
    $ci = get_instance();
    $cmb = "<select id='fakultas' name='fakultas' class='form-control'>";
    $cmb .= "<option value=''>--Pilih--</option>";
    $ci->db->order_by('nama_fakultas','ASC');
    $data = $ci->db->get($table)->result();
    foreach ($data as $d) {
        $cmb .="<option value='" . $d->$pk . "'";
        $cmb .= $selected == $d->$pk ? " selected='selected'" : '';
        $cmb .=">" . strtoupper($d->$field) . "</option>";
    }
    $cmb .="</select>";
    return $cmb;
}

//controllel
public function update_mhs_all_ikhwan($id)
    {
        $row = $this->admin_model->get_by_id($id);
        //$cari_orang_tua= $this->db->query("SELECT nama_Ayah,noHP_Ayah,nama_Ibu,noHP_Ibu,provinsi,kab,kec,kab,desa,rt FROM data_orang_tua T,mhs_orang_tua M WHERE T.`id`=M.`id_orang_tua` AND M.`id_mhs`='$id'");
        $cari_id= $this->db->query("SELECT id_orang_tua FROM mhs_orang_tua WHERE id_mhs='$id'")->result();
        foreach($cari_id as $cari){

        }
        $row1= $this->Data_orang_tua_model->get_by_id($cari->id_orang_tua);
        if ($row) {
            $data = array(
                'button'          => 'Update',
                'action'          => site_url('super_admin/update_action_mhs_all_ikhwan'),
        'id'              => set_value('id', $row->id),
        'fakultas'        => set_value('fakultas', 'Teknik'),
        );
            $this->template->load('template_Super_Admin','super_admin/daftar_mhs/daftar_mhs_form_update_all_ikhwan', $data);
        } else {
            $this->session->set_flashdata('message', 'Record Not Found');
            redirect(site_url('super_admin/mhs_list_ikhwan'));
        }
    }

//views
<?php echo fakultas('fakultas', 'fakultas', 'nama_fakultas', 'id', 'fakultas');?>