mirror of https://gitee.com/openkylin/linux.git
76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
/*
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* ALSA sequencer /proc interface
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* Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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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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