- hd = NULL;
- mutex_lock(&hdmi_mutex);
- list_for_each(pos, &hdmi_device_list) {
- struct hdmi_device *tmp = pos_to_hdmi_device(pos);
-
- if (tmp->dev == dev->parent) {
- hd = tmp;
- break;
- }
- }
-
- if (!hd) {
- hd = devm_kzalloc(dev, sizeof(*hd), GFP_KERNEL);
- if (!hd) {
- mutex_unlock(&hdmi_mutex);
- return -ENOMEM;
- }
-
- hd->dev = dev->parent;
-
- list_add_tail(&hd->list, &hdmi_device_list);
- }
- mutex_unlock(&hdmi_mutex);
-
- if (hd->cnt >= ARRAY_SIZE(hdmi_dai_name)) {
- dev_err(dev, "too many hdmi codec are deteced\n");
- return -EINVAL;
- }
-