LXR linux/sound/core/seq/seq

   1/*
   2 *   ALSA sequencer /proc interface
   3 *   Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>
   4 *
   5 *
   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.
  10 *
  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.
  15 *
  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
  19 *
  20 */
  21
  22#include <linux/init.h>
  23#include <linux/export.h>
  24#include <sound/core.h>
  25
  26#include "seq_info.h"
  27#include "seq_clientmgr.h"
  28#include "seq_timer.h"
  29
  30#ifdef CONFIG_PROC_FS
  31static struct snd_info_entry *queues_entry;
  32static struct snd_info_entry *clients_entry;
  33static struct snd_info_entry *timer_entry;
  34
  35
  36static struct snd_info_entry * __init
  37create_info_entry(char *name, void (*read)(struct snd_info_entry *,
  38                                           struct snd_info_buffer *))
  39{
  40        struct snd_info_entry *entry;
  41
  42        entry = snd_info_create_module_entry(THIS_MODULE, name, snd_seq_root);
  43        if (entry == NULL)
  44                return NULL;
  45        entry->content = SNDRV_INFO_CONTENT_TEXT;
  46        entry->c.text.read = read;
  47        if (snd_info_register(entry) < 0) {
  48                snd_info_free_entry(entry);
  49                return NULL;
  50        }
  51        return entry;
  52}
  53
  54/* create all our /proc entries */
  55int __init snd_seq_info_init(void)
  56{
  57        queues_entry = create_info_entry("queues",
  58                                         snd_seq_info_queues_read);
  59        clients_entry = create_info_entry("clients",
  60                                          snd_seq_info_clients_read);
  61        timer_entry = create_info_entry("timer", snd_seq_info_timer_read);
  62        return 0;
  63}
  64
  65int __exit snd_seq_info_done(void)
  66{
  67        snd_info_free_entry(queues_entry);
  68        snd_info_free_entry(clients_entry);
  69        snd_info_free_entry(timer_entry);
  70        return 0;
  71}
  72#endif
  73