Symbol: chn_poll
sys/dev/sound/pcm/channel.h
262
int chn_poll(struct pcm_channel *c, int ev, struct thread *td);
sys/dev/sound/pcm/dsp.c
2267
ready = chn_poll(rdch, 1, td);
sys/dev/sound/pcm/dsp.c
2281
ready = chn_poll(wrch, 1, td);