diff options
Diffstat (limited to 'sound/core/seq/seq_info.c')
-rw-r--r-- | sound/core/seq/seq_info.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sound/core/seq/seq_info.c b/sound/core/seq/seq_info.c new file mode 100644 index 000000000..3e9fce7be --- /dev/null +++ b/sound/core/seq/seq_info.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * ALSA sequencer /proc interface + * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> + */ + +#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; +} |