/* * ALSA sequencer /proc interface * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ #include <linux/init.h> #include <linux/export.h> #include <sound/core.h> #include "seq_info.h" #include "seq_clientmgr.h" #include "seq_timer.h" static struct snd_info_entry *queues_entry; static struct snd_info_entry *clients_entry; static struct snd_info_entry *timer_entry; static struct snd_info_entry * __init create_info_entry(char *name, void (*read)(struct snd_info_entry *, struct snd_info_buffer *)) { struct snd_info_entry *entry; entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root); if (entry == NULL) return NULL; entry->content = SNDRV_INFO_CONTENT_TEXT; entry->c.text.read = read; if (snd_info_register(entry) < 0) { snd_info_free_entry(entry); return NULL; } return entry; } void snd_seq_info_done(void) { snd_info_free_entry(queues_entry); snd_info_free_entry(clients_entry); snd_info_free_entry(timer_entry); } /* create all our /proc entries */ int __init snd_seq_info_init(void) { queues_entry = create_info_entry("queues", snd_seq_info_queues_read); clients_entry = create_info_entry("clients", snd_seq_info_clients_read); timer_entry = create_info_entry("timer", snd_seq_info_timer_read); if (!queues_entry || !clients_entry || !timer_entry) goto error; return 0; error: snd_seq_info_done(); return -ENOMEM; }