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0ca06a00 LG |
1 | /* |
2 | * Linux driver model AC97 bus interface | |
3 | * | |
4 | * Author: Nicolas Pitre | |
5 | * Created: Jan 14, 2005 | |
6 | * Copyright: (C) MontaVista Software Inc. | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
5049c35b | 14 | #include <linux/module.h> |
0ca06a00 LG |
15 | #include <linux/init.h> |
16 | #include <linux/device.h> | |
17 | #include <linux/string.h> | |
96841bae | 18 | #include <sound/ac97_codec.h> |
0ca06a00 LG |
19 | |
20 | /* | |
3a91e959 | 21 | * Let drivers decide whether they want to support given codec from their |
d0359c6f JJ |
22 | * probe method. Drivers have direct access to the struct snd_ac97 |
23 | * structure and may decide based on the id field amongst other things. | |
0ca06a00 LG |
24 | */ |
25 | static int ac97_bus_match(struct device *dev, struct device_driver *drv) | |
26 | { | |
3a91e959 | 27 | return 1; |
0ca06a00 LG |
28 | } |
29 | ||
0ca06a00 LG |
30 | struct bus_type ac97_bus_type = { |
31 | .name = "ac97", | |
32 | .match = ac97_bus_match, | |
0ca06a00 LG |
33 | }; |
34 | ||
35 | static int __init ac97_bus_init(void) | |
36 | { | |
37 | return bus_register(&ac97_bus_type); | |
38 | } | |
39 | ||
40 | subsys_initcall(ac97_bus_init); | |
41 | ||
42 | static void __exit ac97_bus_exit(void) | |
43 | { | |
44 | bus_unregister(&ac97_bus_type); | |
45 | } | |
46 | ||
47 | module_exit(ac97_bus_exit); | |
48 | ||
49 | EXPORT_SYMBOL(ac97_bus_type); | |
50 | ||
51 | MODULE_LICENSE("GPL"); |