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Differential D55941 Diff 174218 sys/dev/sound/pcm/channel.c

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sys/dev/sound/pcm/channel.c

Show First 20 Lines • Show All 1,138 Lines • ▼ Show 20 Lineschn_mkname(char *buf, size_t len, struct pcm_channel *c)
return (buf); return (buf);
} }
struct pcm_channel * struct pcm_channel *
chn_init(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls, chn_init(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls,
int dir, void *devinfo) int dir, void *devinfo)
{ {
struct pcm_channel *c; struct pcm_channel *c;
struct feeder_class *fc;
struct snd_dbuf *b, *bs; struct snd_dbuf *b, *bs;
char buf[CHN_NAMELEN]; char buf[CHN_NAMELEN];
int err, i, direction, *vchanrate, *vchanformat; int err, i, direction, *vchanrate, *vchanformat;
PCM_BUSYASSERT(d); PCM_BUSYASSERT(d);
PCM_LOCKASSERT(d); PCM_LOCKASSERT(d);
switch (dir) { switch (dir) {
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Lines for (i = 0; i < SND_CHN_T_MAX; i++)
c->volume[SND_VOL_C_MASTER][i] = SND_VOL_0DB_MASTER; c->volume[SND_VOL_C_MASTER][i] = SND_VOL_0DB_MASTER;
c->volume[SND_VOL_C_MASTER][SND_CHN_T_VOL_0DB] = SND_VOL_0DB_MASTER; c->volume[SND_VOL_C_MASTER][SND_CHN_T_VOL_0DB] = SND_VOL_0DB_MASTER;
c->volume[SND_VOL_C_PCM][SND_CHN_T_VOL_0DB] = chn_vol_0db_pcm; c->volume[SND_VOL_C_PCM][SND_CHN_T_VOL_0DB] = chn_vol_0db_pcm;
CHN_LOCK(c); CHN_LOCK(c);
chn_vpc_reset(c, SND_VOL_C_PCM, 1); chn_vpc_reset(c, SND_VOL_C_PCM, 1);
CHN_UNLOCK(c); CHN_UNLOCK(c);
fc = feeder_getclass(FEEDER_ROOT);
if (fc == NULL) {
device_printf(d->dev, "%s(): failed to get feeder class\n",
__func__);
goto fail;
}
if (feeder_add(c, fc, NULL)) {
device_printf(d->dev, "%s(): failed to add feeder\n", __func__);
goto fail;
}
b = sndbuf_create(c, "primary"); b = sndbuf_create(c, "primary");
bs = sndbuf_create(c, "secondary"); bs = sndbuf_create(c, "secondary");
if (b == NULL || bs == NULL) { if (b == NULL || bs == NULL) {
device_printf(d->dev, "%s(): failed to create %s buffer\n", device_printf(d->dev, "%s(): failed to create %s buffer\n",
__func__, b == NULL ? "hardware" : "software"); __func__, b == NULL ? "hardware" : "software");
goto fail; goto fail;
} }
▲ Show 20 Lines • Show All 1,397 Lines • Show Last 20 Lines