diff options
| author | Christos Margiolis <christos@FreeBSD.org> | 2026-03-03 11:32:32 +0000 |
|---|---|---|
| committer | Christos Margiolis <christos@FreeBSD.org> | 2026-03-03 11:32:32 +0000 |
| commit | d40189f8259e3565c69a40194f7b603d0ca648de (patch) | |
| tree | 83f924e3c26bc29dbb8e60d682307c293970dd10 | |
| parent | 912864912b71951f9a636190b1dba80528f588eb (diff) | |
sound: Notify devd on hw.snd.default_unit change
If we have virtual_oss running, this devd notification will make sure to
automatically transfer sound to the new default unit, while also making
sure that we switch to it only for the supported directions (recording
and/or playback).
For more information, please refer to 2ffaca551eaf ("snd_hda: Implement
automatic redirection between associations").
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Reviewed by: imp
Differential Revision: https://reviews.freebsd.org/D55530
| -rw-r--r-- | sys/dev/sound/pcm/sound.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c index 8ce369bfce5e..abd92d93e02d 100644 --- a/sys/dev/sound/pcm/sound.c +++ b/sys/dev/sound/pcm/sound.c @@ -81,6 +81,7 @@ static int sysctl_hw_snd_default_unit(SYSCTL_HANDLER_ARGS) { struct snddev_info *d; + char buf[32]; int error, unit; unit = snd_unit; @@ -95,6 +96,12 @@ sysctl_hw_snd_default_unit(SYSCTL_HANDLER_ARGS) snd_unit = unit; snd_unit_auto = 0; bus_topo_unlock(); + + snprintf(buf, sizeof(buf), "cdev=dsp%d", snd_unit); + if (d->reccount > 0) + devctl_notify("SND", "CONN", "IN", buf); + if (d->playcount > 0) + devctl_notify("SND", "CONN", "OUT", buf); } return (error); } |