diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/sound/pcm/sound.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c index 1b6b32f2cd76..6e4e093fc86a 100644 --- a/sys/dev/sound/pcm/sound.c +++ b/sys/dev/sound/pcm/sound.c @@ -46,6 +46,11 @@ int snd_unit = -1; TUNABLE_INT("hw.snd.default_unit", &snd_unit); #endif +static int snd_unit_auto = 0; +TUNABLE_INT("hw.snd.default_auto", &snd_unit_auto); +SYSCTL_INT(_hw_snd, OID_AUTO, default_auto, CTLFLAG_RW, + &snd_unit_auto, 0, "assign default unit to a newly attach device"); + int snd_maxautovchans = 16; /* XXX: a tunable implies that we may need more than one sound channel before the system can change a sysctl (/etc/sysctl.conf), do we really need @@ -801,7 +806,7 @@ pcm_setstatus(device_t dev, char *str) pcm_unlock(d); - if (snd_unit < 0) + if (snd_unit < 0 || snd_unit_auto != 0) snd_unit = device_get_unit(dev); return (0); |