Date: Tue, 03 Mar 2026 11:32:58 +0000 From: Christos Margiolis <christos@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: d40189f8259e - main - sound: Notify devd on hw.snd.default_unit change Message-ID: <69a6c6ea.4261c.751a8a36@gitrepo.freebsd.org>
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The branch main has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=d40189f8259e3565c69a40194f7b603d0ca648de commit d40189f8259e3565c69a40194f7b603d0ca648de Author: Christos Margiolis <christos@FreeBSD.org> AuthorDate: 2026-03-03 11:32:32 +0000 Commit: Christos Margiolis <christos@FreeBSD.org> CommitDate: 2026-03-03 11:32:32 +0000 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 --- sys/dev/sound/pcm/sound.c | 7 +++++++ 1 file changed, 7 insertions(+) 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); }home | help
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