Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * ALSA sequencer /proc interface | |
4 | * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> | |
1da177e4 LT |
5 | */ |
6 | ||
1da177e4 | 7 | #include <linux/init.h> |
d81a6d71 | 8 | #include <linux/export.h> |
1da177e4 LT |
9 | #include <sound/core.h> |
10 | ||
11 | #include "seq_info.h" | |
12 | #include "seq_clientmgr.h" | |
13 | #include "seq_timer.h" | |
14 | ||
c7e0b5bf TI |
15 | static struct snd_info_entry *queues_entry; |
16 | static struct snd_info_entry *clients_entry; | |
17 | static struct snd_info_entry *timer_entry; | |
1da177e4 LT |
18 | |
19 | ||
c7e0b5bf | 20 | static struct snd_info_entry * __init |
bf850204 TI |
21 | create_info_entry(char *name, void (*read)(struct snd_info_entry *, |
22 | struct snd_info_buffer *)) | |
1da177e4 | 23 | { |
c7e0b5bf | 24 | struct snd_info_entry *entry; |
1da177e4 LT |
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; | |
1da177e4 LT |
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 | ||
00976ad5 | 38 | void snd_seq_info_done(void) |
b591b6e9 TI |
39 | { |
40 | snd_info_free_entry(queues_entry); | |
41 | snd_info_free_entry(clients_entry); | |
42 | snd_info_free_entry(timer_entry); | |
43 | } | |
44 | ||
1da177e4 LT |
45 | /* create all our /proc entries */ |
46 | int __init snd_seq_info_init(void) | |
47 | { | |
bf850204 | 48 | queues_entry = create_info_entry("queues", |
1da177e4 | 49 | snd_seq_info_queues_read); |
bf850204 | 50 | clients_entry = create_info_entry("clients", |
1da177e4 | 51 | snd_seq_info_clients_read); |
bf850204 | 52 | timer_entry = create_info_entry("timer", snd_seq_info_timer_read); |
b591b6e9 TI |
53 | if (!queues_entry || !clients_entry || !timer_entry) |
54 | goto error; | |
1da177e4 | 55 | return 0; |
b591b6e9 TI |
56 | |
57 | error: | |
00976ad5 | 58 | snd_seq_info_done(); |
b591b6e9 | 59 | return -ENOMEM; |
1da177e4 | 60 | } |