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Differential D23110 Diff 66577 sys/dev/sound/pcm/sound.c

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sys/dev/sound/pcm/sound.c

Show First 20 Lines • Show All 437 Lines • ▼ Show 20 Lines if (!PCM_REGISTERED(d) || CHN_EMPTY(d, channels.pcm))
return EINVAL; return EINVAL;
snd_unit = unit; snd_unit = unit;
snd_unit_auto = 0; snd_unit_auto = 0;
} }
return (error); return (error);
} }
/* XXX: do we need a way to let the user change the default unit? */ /* XXX: do we need a way to let the user change the default unit? */
SYSCTL_PROC(_hw_snd, OID_AUTO, default_unit, SYSCTL_PROC(_hw_snd, OID_AUTO, default_unit,
CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_ANYBODY, CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_ANYBODY | CTLFLAG_NEEDGIANT,
0, sizeof(int), sysctl_hw_snd_default_unit, "I", 0, sizeof(int), sysctl_hw_snd_default_unit, "I",
"default sound device"); "default sound device");
static int static int
sysctl_hw_snd_maxautovchans(SYSCTL_HANDLER_ARGS) sysctl_hw_snd_maxautovchans(SYSCTL_HANDLER_ARGS)
{ {
struct snddev_info *d; struct snddev_info *d;
int i, v, error; int i, v, error;
v = snd_maxautovchans; v = snd_maxautovchans;
Show All 11 Lines for (i = 0; pcm_devclass != NULL &&
continue; continue;
PCM_ACQUIRE_QUICK(d); PCM_ACQUIRE_QUICK(d);
pcm_setmaxautovchans(d, v); pcm_setmaxautovchans(d, v);
PCM_RELEASE_QUICK(d); PCM_RELEASE_QUICK(d);
} }
} }
return (error); return (error);
} }
SYSCTL_PROC(_hw_snd, OID_AUTO, maxautovchans, CTLTYPE_INT | CTLFLAG_RWTUN, SYSCTL_PROC(_hw_snd, OID_AUTO, maxautovchans,
0, sizeof(int), sysctl_hw_snd_maxautovchans, "I", "maximum virtual channel"); CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT,
0, sizeof(int), sysctl_hw_snd_maxautovchans, "I",
"maximum virtual channel");
struct pcm_channel * struct pcm_channel *
pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, int num, void *devinfo) pcm_chn_create(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, int dir, int num, void *devinfo)
{ {
struct pcm_channel *ch; struct pcm_channel *ch;
int direction, err, rpnum, *pnum, max; int direction, err, rpnum, *pnum, max;
int udc, device, chan; int udc, device, chan;
char *dirs, *devname, buf[CHN_NAMELEN]; char *dirs, *devname, buf[CHN_NAMELEN];
▲ Show 20 Lines • Show All 516 Lines • ▼ Show 20 Lines for (i = 0; pcm_devclass != NULL &&
if (bootverbose != 0 || snd_verbose > 3) if (bootverbose != 0 || snd_verbose > 3)
device_printf(d->dev, "clone gc: pruned=%d\n", device_printf(d->dev, "clone gc: pruned=%d\n",
val); val);
} }
} }
return (err); return (err);
} }
SYSCTL_PROC(_hw_snd, OID_AUTO, clone_gc, CTLTYPE_INT | CTLFLAG_RWTUN, SYSCTL_PROC(_hw_snd, OID_AUTO, clone_gc,
CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_NEEDGIANT,
0, sizeof(int), sysctl_hw_snd_clone_gc, "I", 0, sizeof(int), sysctl_hw_snd_clone_gc, "I",
"global clone garbage collector"); "global clone garbage collector");
#endif #endif
static void static void
pcm_sysinit(device_t dev) pcm_sysinit(device_t dev)
{ {
struct snddev_info *d = device_get_softc(dev); struct snddev_info *d = device_get_softc(dev);
▲ Show 20 Lines • Show All 410 Lines • Show Last 20 Lines