From 174a6dfbc17ee9defed4daeeea6061ef34644f02 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 12 Jun 2023 10:10:51 +0200 Subject: [PATCH] ALSA: seq: ump: Notify port changes to system port For allowing applications to track the FB active changes, this patch adds the notification from the system port at each time a FB change is handled and the active flag or re-grouping happens. Link: https://lore.kernel.org/r/20230612081054.17200-8-tiwai@suse.de Signed-off-by: Takashi Iwai --- sound/core/seq/seq_system.c | 1 + sound/core/seq/seq_ump_client.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/sound/core/seq/seq_system.c b/sound/core/seq/seq_system.c index 32c2d9b..8026729 100644 --- a/sound/core/seq/seq_system.c +++ b/sound/core/seq/seq_system.c @@ -85,6 +85,7 @@ void snd_seq_system_broadcast(int client, int port, int type) ev.type = type; snd_seq_kernel_client_dispatch(sysclient, &ev, 0, 0); } +EXPORT_SYMBOL_GPL(snd_seq_system_broadcast); /* entry points for broadcasting system events */ int snd_seq_system_notify(int client, int port, struct snd_seq_event *ev) diff --git a/sound/core/seq/seq_ump_client.c b/sound/core/seq/seq_ump_client.c index 2f93d76..901a670 100644 --- a/sound/core/seq/seq_ump_client.c +++ b/sound/core/seq/seq_ump_client.c @@ -13,6 +13,7 @@ #include #include #include "seq_clientmgr.h" +#include "seq_system.h" struct seq_ump_client; struct seq_ump_group; @@ -273,6 +274,8 @@ static void update_port_infos(struct seq_ump_client *client) new); if (err < 0) goto error; + /* notify to system port */ + snd_seq_system_client_ev_port_change(client->seq_client, i); } error: kfree(new); -- 2.7.4