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1da177e4 LT |
1 | /* |
2 | * ALSA sequencer /proc interface | |
3 | * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> | |
4 | * | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <sound/driver.h> | |
23 | #include <linux/init.h> | |
24 | #include <sound/core.h> | |
25 | ||
26 | #include "seq_info.h" | |
27 | #include "seq_clientmgr.h" | |
28 | #include "seq_timer.h" | |
29 | ||
30 | ||
31 | static snd_info_entry_t *queues_entry; | |
32 | static snd_info_entry_t *clients_entry; | |
33 | static snd_info_entry_t *timer_entry; | |
34 | ||
35 | ||
36 | static snd_info_entry_t * __init | |
37 | create_info_entry(char *name, int size, void (*read)(snd_info_entry_t *, snd_info_buffer_t *)) | |
38 | { | |
39 | snd_info_entry_t *entry; | |
40 | ||
41 | entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root); | |
42 | if (entry == NULL) | |
43 | return NULL; | |
44 | entry->content = SNDRV_INFO_CONTENT_TEXT; | |
45 | entry->c.text.read_size = size; | |
46 | entry->c.text.read = read; | |
47 | if (snd_info_register(entry) < 0) { | |
48 | snd_info_free_entry(entry); | |
49 | return NULL; | |
50 | } | |
51 | return entry; | |
52 | } | |
53 | ||
54 | ||
55 | /* create all our /proc entries */ | |
56 | int __init snd_seq_info_init(void) | |
57 | { | |
58 | queues_entry = create_info_entry("queues", 512 + (256 * SNDRV_SEQ_MAX_QUEUES), | |
59 | snd_seq_info_queues_read); | |
60 | clients_entry = create_info_entry("clients", 512 + (256 * SNDRV_SEQ_MAX_CLIENTS), | |
61 | snd_seq_info_clients_read); | |
62 | timer_entry = create_info_entry("timer", 1024, snd_seq_info_timer_read); | |
63 | return 0; | |
64 | } | |
65 | ||
66 | int __exit snd_seq_info_done(void) | |
67 | { | |
68 | if (queues_entry) | |
69 | snd_info_unregister(queues_entry); | |
70 | if (clients_entry) | |
71 | snd_info_unregister(clients_entry); | |
72 | if (timer_entry) | |
73 | snd_info_unregister(timer_entry); | |
74 | return 0; | |
75 | } |