backlight-policy

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE policyconfig PUBLIC "-//freedesktop//DTD PolicyKit Policy Configuration 1.0//EN" "http://www.freedesktop.org/standards/PolicyKit/1/policyconfig.dtd%22%3E">
<policyconfig>

    <action id="org.gnome.backlight.policy">
        <defaults>
            <allow_any>yes</allow_any>
            <allow_inactive>yes</allow_inactive>
            <allow_active>yes</allow_active>
        </defaults>
        <annotate key="org.freedesktop.policykit.exec.path">/usr/local/bin/backlight</annotate>
    </action>

</policyconfig>