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60 lines
1.4 KiB
60 lines
1.4 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* ALSA sequencer /proc interface |
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* Copyright (c) 1998 by Frank van de Pol <[email protected]> |
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*/ |
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#include <linux/init.h> |
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#include <linux/export.h> |
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#include <sound/core.h> |
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#include "seq_info.h" |
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#include "seq_clientmgr.h" |
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#include "seq_timer.h" |
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static struct snd_info_entry *queues_entry; |
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static struct snd_info_entry *clients_entry; |
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static struct snd_info_entry *timer_entry; |
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static struct snd_info_entry * __init |
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create_info_entry(char *name, void (*read)(struct snd_info_entry *, |
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struct snd_info_buffer *)) |
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{ |
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struct snd_info_entry *entry; |
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entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root); |
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if (entry == NULL) |
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return NULL; |
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entry->content = SNDRV_INFO_CONTENT_TEXT; |
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entry->c.text.read = read; |
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if (snd_info_register(entry) < 0) { |
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snd_info_free_entry(entry); |
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return NULL; |
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} |
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return entry; |
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} |
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void snd_seq_info_done(void) |
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{ |
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snd_info_free_entry(queues_entry); |
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snd_info_free_entry(clients_entry); |
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snd_info_free_entry(timer_entry); |
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} |
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/* create all our /proc entries */ |
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int __init snd_seq_info_init(void) |
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{ |
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queues_entry = create_info_entry("queues", |
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snd_seq_info_queues_read); |
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clients_entry = create_info_entry("clients", |
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snd_seq_info_clients_read); |
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timer_entry = create_info_entry("timer", snd_seq_info_timer_read); |
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if (!queues_entry || !clients_entry || !timer_entry) |
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goto error; |
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return 0; |
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error: |
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snd_seq_info_done(); |
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return -ENOMEM; |
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}
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