snd_tscm_stream_lock_try 50 sound/firewire/tascam/tascam-pcm.c err = snd_tscm_stream_lock_try(tscm); snd_tscm_stream_lock_try 176 sound/firewire/tascam/tascam.h int snd_tscm_stream_lock_try(struct snd_tscm *tscm);