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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * ALSA sequencer System Client4 * Copyright (c) 1998 by Frank van de Pol <fvdpol@coil.demon.nl>5 */6#ifndef __SND_SEQ_SYSTEM_H7#define __SND_SEQ_SYSTEM_H8 9#include <sound/seq_kernel.h>10 11 12/* entry points for broadcasting system events */13void snd_seq_system_broadcast(int client, int port, int type);14 15#define snd_seq_system_client_ev_client_start(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_START)16#define snd_seq_system_client_ev_client_exit(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_EXIT)17#define snd_seq_system_client_ev_client_change(client) snd_seq_system_broadcast(client, 0, SNDRV_SEQ_EVENT_CLIENT_CHANGE)18#define snd_seq_system_client_ev_port_start(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_START)19#define snd_seq_system_client_ev_port_exit(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_EXIT)20#define snd_seq_system_client_ev_port_change(client, port) snd_seq_system_broadcast(client, port, SNDRV_SEQ_EVENT_PORT_CHANGE)21 22int snd_seq_system_notify(int client, int port, struct snd_seq_event *ev);23 24/* register our internal client */25int snd_seq_system_client_init(void);26 27/* unregister our internal client */28void snd_seq_system_client_done(void);29 30 31#endif32