projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e3d280fc TI |
1 | /* |
| 2 | * HD-audio bus | |
| 3 | */ | |
| 4 | #include <linux/init.h> | |
| 5 | #include <linux/device.h> | |
| 6 | #include <linux/module.h> | |
| 7 | #include <linux/export.h> | |
| 8 | #include <sound/hdaudio.h> | |
| 9 | ||
| 10 | MODULE_DESCRIPTION("HD-audio bus"); | |
| 11 | MODULE_LICENSE("GPL"); | |
| 12 | ||
| 13 | static int hda_bus_match(struct device *dev, struct device_driver *drv) | |
| 14 | { | |
| 15 | struct hdac_device *hdev = dev_to_hdac_dev(dev); | |
| 16 | struct hdac_driver *hdrv = drv_to_hdac_driver(drv); | |
| 17 | ||
| 18 | if (hdev->type != hdrv->type) | |
| 19 | return 0; | |
| 20 | if (hdrv->match) | |
| 21 | return hdrv->match(hdev, hdrv); | |
| 22 | return 1; | |
| 23 | } | |
| 24 | ||
| 25 | struct bus_type snd_hda_bus_type = { | |
| 26 | .name = "hdaudio", | |
| 27 | .match = hda_bus_match, | |
| 28 | }; | |
| 29 | EXPORT_SYMBOL_GPL(snd_hda_bus_type); | |
| 30 | ||
| 31 | static int __init hda_bus_init(void) | |
| 32 | { | |
| 33 | return bus_register(&snd_hda_bus_type); | |
| 34 | } | |
| 35 | ||
| 36 | static void __exit hda_bus_exit(void) | |
| 37 | { | |
| 38 | bus_unregister(&snd_hda_bus_type); | |
| 39 | } | |
| 40 | ||
| 41 | subsys_initcall(hda_bus_init); | |
| 42 | module_exit(hda_bus_exit); |