Commit 174a6dfb authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 4a16a3af

sound/core/seq/seq_system.c

+1 −0
Original line number Diff line number Diff line
@@ -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)

sound/core/seq/seq_ump_client.c

+3 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <sound/seq_kernel.h>

#include <sound/seq_device.h>

#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);