static void hda_codec_device_class_init(ObjectClass *klass, void *data) { DeviceClass *k = DEVICE_CLASS(klass); k->realize = hda_codec_dev_realize; k->exit = hda_codec_dev_exit; set_bit(DEVICE_CATEGORY_SOUND, k->categories); k->bus_type = TYPE_HDA_BUS; k->props = hda_props; }