1// SPDX-License-Identifier: GPL-2.0-or-later
 2/*
 3 *   ALSA sequencer /proc interface
 4 *   Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 5 */
 6
 7#include <linux/init.h>
 8#include <linux/export.h>
 9#include <sound/core.h>
10
11#include "seq_info.h"
12#include "seq_clientmgr.h"
13#include "seq_timer.h"
14
15static struct snd_info_entry *queues_entry;
16static struct snd_info_entry *clients_entry;
17static struct snd_info_entry *timer_entry;
18
19
20static struct snd_info_entry * __init
21create_info_entry(char *name, void (*read)(struct snd_info_entry *,
22					   struct snd_info_buffer *))
23{
24	struct snd_info_entry *entry;
25
26	entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root);
27	if (entry == NULL)
28		return NULL;
29	entry->content = SNDRV_INFO_CONTENT_TEXT;
30	entry->c.text.read = read;
31	if (snd_info_register(entry) < 0) {
32		snd_info_free_entry(entry);
33		return NULL;
34	}
35	return entry;
36}
37
38void snd_seq_info_done(void)
39{
40	snd_info_free_entry(queues_entry);
41	snd_info_free_entry(clients_entry);
42	snd_info_free_entry(timer_entry);
43}
44
45/* create all our /proc entries */
46int __init snd_seq_info_init(void)
47{
48	queues_entry = create_info_entry("queues",
49					 snd_seq_info_queues_read);
50	clients_entry = create_info_entry("clients",
51					  snd_seq_info_clients_read);
52	timer_entry = create_info_entry("timer", snd_seq_info_timer_read);
53	if (!queues_entry || !clients_entry || !timer_entry)
54		goto error;
55	return 0;
56
57 error:
58	snd_seq_info_done();
59	return -ENOMEM;
 
 
 
 
 
 
60}

 
 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 <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
30static struct snd_info_entry *queues_entry;
31static struct snd_info_entry *clients_entry;
32static struct snd_info_entry *timer_entry;
33
34
35static struct snd_info_entry * __init
36create_info_entry(char *name, void (*read)(struct snd_info_entry *,
37					   struct snd_info_buffer *))
38{
39	struct snd_info_entry *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 = read;
46	if (snd_info_register(entry) < 0) {
47		snd_info_free_entry(entry);
48		return NULL;
49	}
50	return entry;
51}
52
53static void free_info_entries(void)
54{
55	snd_info_free_entry(queues_entry);
56	snd_info_free_entry(clients_entry);
57	snd_info_free_entry(timer_entry);
58}
59
60/* create all our /proc entries */
61int __init snd_seq_info_init(void)
62{
63	queues_entry = create_info_entry("queues",
64					 snd_seq_info_queues_read);
65	clients_entry = create_info_entry("clients",
66					  snd_seq_info_clients_read);
67	timer_entry = create_info_entry("timer", snd_seq_info_timer_read);
68	if (!queues_entry || !clients_entry || !timer_entry)
69		goto error;
70	return 0;
71
72 error:
73	free_info_entries();
74	return -ENOMEM;
75}
76
77int __exit snd_seq_info_done(void)
78{
79	free_info_entries();
80	return 0;
81}