Merge branch 'topic/post-6.13-rc1' into for-next

Pull pending changes for 6.14 onto 6.13-devel branch.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

3 files changed, 30 insertions, 4 deletions

diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 3930e2f9082f..fe2d7f901610 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1290,6 +1290,10 @@ static int snd_seq_ioctl_set_client_info(struct snd_seq_client *client,
 		client->midi_version = client_info->midi_version;
 	memcpy(client->event_filter, client_info->event_filter, 32);
 	client->group_filter = client_info->group_filter;
+
+	/* notify the change */
+	snd_seq_system_client_ev_client_change(client->number);
+
 	return 0;
 }
 
@@ -1413,6 +1417,9 @@ static int snd_seq_ioctl_set_port_info(struct snd_seq_client *client, void *arg)
 	if (port) {
 		snd_seq_set_port_info(port, info);
 		snd_seq_port_unlock(port);
+		/* notify the change */
+		snd_seq_system_client_ev_port_change(info->addr.client,
+						     info->addr.port);
 	}
 	return 0;
 }
diff --git a/sound/core/seq/seq_system.c b/sound/core/seq/seq_system.c
index 80267290190d..37edcc3881ed 100644
--- a/sound/core/seq/seq_system.c
+++ b/sound/core/seq/seq_system.c
@@ -49,12 +49,14 @@ static int sysclient = -1;
 /* port id numbers for this client */
 static int announce_port = -1;
 
+/* number of subscriptions to announce port */
+static int announce_subscribed;
 
 
 /* fill standard header data, source port & channel are filled in */
 static int setheader(struct snd_seq_event * ev, int client, int port)
 {
-	if (announce_port < 0)
+	if (announce_port < 0 || !announce_subscribed)
 		return -ENODEV;
 
 	memset(ev, 0, sizeof(struct snd_seq_event));
@@ -104,6 +106,22 @@ static int event_input_timer(struct snd_seq_event * ev, int direct, void *privat
 	return snd_seq_control_queue(ev, atomic, hop);
 }
 
+static int sys_announce_subscribe(void *private_data,
+				  struct snd_seq_port_subscribe *info)
+{
+	announce_subscribed++;
+	return 0;
+}
+
+static int sys_announce_unsubscribe(void *private_data,
+				    struct snd_seq_port_subscribe *info)
+{
+	if (snd_BUG_ON(!announce_subscribed))
+		return 0;
+	announce_subscribed--;
+	return 0;
+}
+
 /* register our internal client */
 int __init snd_seq_system_client_init(void)
 {
@@ -143,7 +161,10 @@ int __init snd_seq_system_client_init(void)
 	/* register announcement port */
 	strcpy(port->name, "Announce");
 	port->capability = SNDRV_SEQ_PORT_CAP_READ|SNDRV_SEQ_PORT_CAP_SUBS_READ; /* for broadcast only */
-	port->kernel = NULL;
+	pcallbacks.event_input = NULL;
+	pcallbacks.subscribe = sys_announce_subscribe;
+	pcallbacks.unsubscribe = sys_announce_unsubscribe;
+	port->kernel = &pcallbacks;
 	port->type = 0;
 	port->flags = SNDRV_SEQ_PORT_FLG_GIVEN_PORT;
 	port->addr.client = sysclient;
diff --git a/sound/core/seq/seq_ump_client.c b/sound/core/seq/seq_ump_client.c
index e956f17f3792..27c4dd9940ff 100644
--- a/sound/core/seq/seq_ump_client.c
+++ b/sound/core/seq/seq_ump_client.c
@@ -272,8 +272,6 @@ static void update_port_infos(struct seq_ump_client *client)
 						new);
 		if (err < 0)
 			continue;
-		/* notify to system port */
-		snd_seq_system_client_ev_port_change(client->seq_client, i);
 	}
 }