it3256/etc/init/it3256IO.cfg

{
    "jobs" : [{
            "name" : "early-boot",
            "cmds" : []
        }
    ],
    "services" : [{
            "name" : "it3256IO_service",
            "path" : ["/system/bin/sa_main", "/system/profile/it3256_sa_profile.json"],
            "uid" : "it3256IO",
            "gid" : ["it3256IO", "shell"],
            "permission" : [],
            "caps" : [],
            "secon" : "u:r:it3256IO_service:s0"
        }
    ]
}