snd_tscm_stream_reserve_duplex 104 sound/firewire/tascam/tascam-pcm.c err = snd_tscm_stream_reserve_duplex(tscm, rate); snd_tscm_stream_reserve_duplex 171 sound/firewire/tascam/tascam.h int snd_tscm_stream_reserve_duplex(struct snd_tscm *tscm, unsigned int rate);