pcm_prepare 797 sound/pci/echoaudio/echoaudio.c .prepare = pcm_prepare, pcm_prepare 808 sound/pci/echoaudio/echoaudio.c .prepare = pcm_prepare, pcm_prepare 821 sound/pci/echoaudio/echoaudio.c .prepare = pcm_prepare, pcm_prepare 833 sound/pci/echoaudio/echoaudio.c .prepare = pcm_prepare,