snd_pcm_oss_make_ready
err = snd_pcm_oss_make_ready(substream);
err = snd_pcm_oss_make_ready(substream);
err = snd_pcm_oss_make_ready(psubstream);
err = snd_pcm_oss_make_ready(csubstream);
err = snd_pcm_oss_make_ready(substream);
err = snd_pcm_oss_make_ready(substream);