snd_cs46xx_playback_transfer
.ack = snd_cs46xx_playback_transfer,
.ack = snd_cs46xx_playback_transfer,
.ack = snd_cs46xx_playback_transfer,
.ack = snd_cs46xx_playback_transfer,
snd_cs46xx_playback_transfer(substream);
snd_cs46xx_playback_transfer(substream);