Symbol: chn_notify
sys/dev/sound/pcm/channel.c
1901
chn_notify(c->parentchannel, CHN_N_BLOCKSIZE);
sys/dev/sound/pcm/channel.h
303
int chn_notify(struct pcm_channel *c, uint32_t flags);
sys/dev/sound/pcm/vchan.c
169
ret = chn_notify(p, CHN_N_TRIGGER);