diff options
Diffstat (limited to 'sound/core/seq/seq_system.h')
| -rw-r--r-- | sound/core/seq/seq_system.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sound/core/seq/seq_system.h b/sound/core/seq/seq_system.h new file mode 100644 index 000000000..4fe88ad40 --- /dev/null +++ b/sound/core/seq/seq_system.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * ALSA sequencer System Client + * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl> + */ +#ifndef __SND_SEQ_SYSTEM_H +#define __SND_SEQ_SYSTEM_H + +#include <sound/seq_kernel.h> + + +/* entry points for broadcasting system events */ +void snd_seq_system_broadcast(int client, int port, int type); + +#define snd_seq_system_client_ev_client_start(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_START) +#define snd_seq_system_client_ev_client_exit(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_EXIT) +#define snd_seq_system_client_ev_client_change(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_CHANGE) +#define snd_seq_system_client_ev_port_start(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_START) +#define snd_seq_system_client_ev_port_exit(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_EXIT) +#define snd_seq_system_client_ev_port_change(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_CHANGE) + +int snd_seq_system_notify(int client, int port, struct snd_seq_event *ev); + +/* register our internal client */ +int snd_seq_system_client_init(void); + +/* unregister our internal client */ +void snd_seq_system_client_done(void); + + +#endif |