manufacture/quality_control_force_valid/views/qc_inspection_view.xml

<?xml version="1.0" encoding="UTF-8"?>
<openerp>
    <data>

        <record model="ir.ui.view" id="qc_inspection_form_view_putvalid">
            <field name="name">qc.inspection.form.view.putvalid</field>
            <field name="model">qc.inspection</field>
            <field name="inherit_id" ref="quality_control.qc_inspection_form_view" />
            <field name="arch" type="xml">
                <field name="success" position="after">
                    <field name="force_valid"
                           attrs="{'readonly': [('state', 'not in', ('draft', 'waiting'))]}" />
                </field>
            </field>
        </record>

        <record model="ir.ui.view" id="qc_inspection_tree_view_putvalid">
            <field name="name">qc.inspection.tree.view.putvalid</field>
            <field name="model">qc.inspection</field>
            <field name="inherit_id" ref="quality_control.qc_inspection_tree_view" />
            <field name="arch" type="xml">
                <field name="success" position="after">
                    <field name="force_valid" />
                </field>
            </field>
        </record>

        <record model="ir.ui.view" id="qc_inspection_search_view_putvalid">
            <field name="name">qc.inspection.search.view.putvalid</field>
            <field name="model">qc.inspection</field>
            <field name="inherit_id" ref="quality_control.qc_inspection_search_view" />
            <field name="arch" type="xml">
                <filter string="Success" position="after">
                    <filter string="Force valid"
                            domain="[]"
                            context="{'group_by': 'force_valid'}" />
                </filter>
            </field>
        </record>

    </data>
</openerp>