ARM: dts: Kirkwood: Fix QNAP TS219 power-off
[linux/fpc-iii.git] / sound / core / seq / seq_info.c
blob97015447b9b37856b642624a151892e7b2eb8d69
1 /*
2 * ALSA sequencer /proc interface
3 * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>
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.
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.
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
22 #include <linux/init.h>
23 #include <linux/export.h>
24 #include <sound/core.h>
26 #include "seq_info.h"
27 #include "seq_clientmgr.h"
28 #include "seq_timer.h"
30 static struct snd_info_entry *queues_entry;
31 static struct snd_info_entry *clients_entry;
32 static struct snd_info_entry *timer_entry;
35 static struct snd_info_entry * __init
36 create_info_entry(char *name, void (*read)(struct snd_info_entry *,
37 struct snd_info_buffer *))
39 struct snd_info_entry *entry;
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;
50 return entry;
53 static void free_info_entries(void)
55 snd_info_free_entry(queues_entry);
56 snd_info_free_entry(clients_entry);
57 snd_info_free_entry(timer_entry);
60 /* create all our /proc entries */
61 int __init snd_seq_info_init(void)
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;
72 error:
73 free_info_entries();
74 return -ENOMEM;
77 int __exit snd_seq_info_done(void)
79 free_info_entries();
80 return 0;