static int init_rfkill()
{
#if 1//For RK
        char path[64];
        char buf[16];
        int fd, sz, id;


        int rfkill_id;
                if (is_rfkill_disabled())
                        return -1;
                               for (id = 0; ; id++)
                {
                        snprintf(path, sizeof(path), "/sys/class/rfkill/rfkill%d/type", id);
                        fd = open(path, O_RDONLY);
                        if (fd < 0)
                        {
                                ALOGE("init_rfkill : open(%s) failed: %s (%d)\n", \
                                path, strerror(errno), errno);
                                return -1;
                        }
                                sz = read(fd, &buf, sizeof(buf));
                                close(fd);
                        if (sz >= 9 && memcmp(buf, "bluetooth", 9) == 0)
        {
            rfkill_id = id;
            break;
        }
            }
            asprintf(&rfkill_state_path, "/sys/class/rfkill/rfkill%d/state", rfkill_id);
            return 0;
            #endif
            #if 0
            char path[64];
            char buf[16];
            int fd, sz, id;
            const char *basepath = "/sys/devices/platform/aic-bt/rfkill";
            DIR *d;
            struct dirent *de;
if (!(d = opendir(basepath)))
        goto fail;
        while ((de = readdir(d))) {

if (strstr(de->d_name, "rfkill")) {
        snprintf(path, sizeof(path), "%s/%s/type", basepath, de->d_name);
            fd = open(path, O_RDONLY);
if (fd < 0)
        continue;
        sz = read(fd, &buf, sizeof(buf));
        close(fd);
if (sz >= 9 && memcmp(buf, "bluetooth", 9) == 0) {
        ALOGD("%s: rfkill path %s/%s", __func__, basepath, de->d_name);
        asprintf(&rfkill_state_path, "%s/%s/state", basepath, de->d_name);
        closedir(d);
        return 0;
        }
        }
}
closedir(d);
        fail:
        ALOGE("%s: No rfkill control node found", __func__);
        return -1;
        #endif
}