/* * HD-audio bus */ #include #include #include #include #include MODULE_DESCRIPTION("HD-audio bus"); MODULE_LICENSE("GPL"); static int hda_bus_match(struct device *dev, struct device_driver *drv) { struct hdac_device *hdev = dev_to_hdac_dev(dev); struct hdac_driver *hdrv = drv_to_hdac_driver(drv); if (hdev->type != hdrv->type) return 0; if (hdrv->match) return hdrv->match(hdev, hdrv); return 1; } struct bus_type snd_hda_bus_type = { .name = "hdaudio", .match = hda_bus_match, }; EXPORT_SYMBOL_GPL(snd_hda_bus_type); static int __init hda_bus_init(void) { return bus_register(&snd_hda_bus_type); } static void __exit hda_bus_exit(void) { bus_unregister(&snd_hda_bus_type); } subsys_initcall(hda_bus_init); module_exit(hda_bus_exit);