pcm_playback_ack 339 sound/firewire/bebob/bebob_pcm.c .ack = pcm_playback_ack, pcm_playback_ack 318 sound/firewire/digi00x/digi00x-pcm.c .ack = pcm_playback_ack, pcm_playback_ack 362 sound/firewire/fireface/ff-pcm.c .ack = pcm_playback_ack, pcm_playback_ack 367 sound/firewire/fireworks/fireworks_pcm.c .ack = pcm_playback_ack, pcm_playback_ack 410 sound/firewire/oxfw/oxfw-pcm.c .ack = pcm_playback_ack, pcm_playback_ack 250 sound/firewire/tascam/tascam-pcm.c .ack = pcm_playback_ack,