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seq_info.c
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1 /*
2  * ALSA sequencer /proc interface
3  * Copyright (c) 1998 by Frank van de Pol <[email protected]>
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 <linux/init.h>
23 #include <linux/export.h>
24 #include <sound/core.h>
25 
26 #include "seq_info.h"
27 #include "seq_clientmgr.h"
28 #include "seq_timer.h"
29 
30 #ifdef CONFIG_PROC_FS
31 static struct snd_info_entry *queues_entry;
32 static struct snd_info_entry *clients_entry;
33 static struct snd_info_entry *timer_entry;
34 
35 
36 static struct snd_info_entry * __init
37 create_info_entry(char *name, void (*read)(struct snd_info_entry *,
38  struct snd_info_buffer *))
39 {
40  struct snd_info_entry *entry;
41 
42  entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root);
43  if (entry == NULL)
44  return NULL;
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 /* create all our /proc entries */
55 int __init snd_seq_info_init(void)
56 {
57  queues_entry = create_info_entry("queues",
59  clients_entry = create_info_entry("clients",
61  timer_entry = create_info_entry("timer", snd_seq_info_timer_read);
62  return 0;
63 }
64 
65 int __exit snd_seq_info_done(void)
66 {
67  snd_info_free_entry(queues_entry);
68  snd_info_free_entry(clients_entry);
69  snd_info_free_entry(timer_entry);
70  return 0;
71 }
72 #endif