chn_setformat
if (fmt != 0 && (err = chn_setformat(c, fmt)))
return (chn_setformat(c, SND_FORMAT(c->format, m->channels, m->ext)));
int chn_setformat(struct pcm_channel *c, uint32_t format);
ret = chn_setformat(wrch,
ret = chn_setformat(rdch,
ret = chn_setformat(wrch,
ret = chn_setformat(rdch,
ret = chn_setformat(wrch, SND_FORMAT(*arg_i,
ret = chn_setformat(rdch, SND_FORMAT(*arg_i,
chn_setformat(wrch,
chn_setformat(rdch,