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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ALSA: seq: Add UMP group number to snd_seq_port_info
Add yet more new filed "ump_group" to snd_seq_port_info for specifying
the associated UMP Group number for each sequencer port. This will be
referred in the upcoming automatic UMP conversion in sequencer core.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230523075358.9672-30-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
+11
-4
+2
-1
include/uapi/sound/asequencer.h
+2
-1
include/uapi/sound/asequencer.h
···
478
478
unsigned int flags; /* misc. conditioning */
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479
unsigned char time_queue; /* queue # for timestamping */
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unsigned char direction; /* port usage direction (r/w/bidir) */
481
-
char reserved[58]; /* for future use */
481
+
unsigned char ump_group; /* 0 = UMP EP (no conversion), 1-16 = UMP group number */
482
+
char reserved[57]; /* for future use */
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};
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+7
-2
sound/core/seq/seq_ports.c
+7
-2
sound/core/seq/seq_ports.c
···
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port->time_real = (info->flags & SNDRV_SEQ_PORT_FLG_TIME_REAL) ? 1 : 0;
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port->time_queue = info->time_queue;
358
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-
/* direction */
359
+
/* UMP direction and group */
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port->direction = info->direction;
361
+
port->ump_group = info->ump_group;
362
+
if (port->ump_group > SNDRV_UMP_MAX_GROUPS)
363
+
port->ump_group = 0;
364
+
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/* fill default port direction */
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if (!port->direction) {
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if (info->capability & SNDRV_SEQ_PORT_CAP_READ)
···
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info->time_queue = port->time_queue;
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404
}
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-
/* direction */
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+
/* UMP direction and group */
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info->direction = port->direction;
408
+
info->ump_group = port->ump_group;
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return 0;
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411
}