snd_usX2Y_pcm_private_free 985 sound/usb/usx2y/usbusx2yaudio.c pcm->private_free = snd_usX2Y_pcm_private_free; snd_usX2Y_pcm_private_free 999 sound/usb/usx2y/usbusx2yaudio.c snd_usX2Y_pcm_private_free(pcm);