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ALSA: seq: ump: Notify port changes to system port

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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 <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2023-06-12 10:10:51 +02:00
parent 4a16a3af05
commit 174a6dfbc1
2 changed files with 4 additions and 0 deletions
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1
sound/core/seq/seq_system.c
View File

@ -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)

3
sound/core/seq/seq_ump_client.c
View File

@ -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);