snd_pcm_ioctl_xfern_compat  522 sound/core/pcm_compat.c 		return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_PLAYBACK, argp);
snd_pcm_ioctl_xfern_compat  524 sound/core/pcm_compat.c 		return snd_pcm_ioctl_xfern_compat(substream, SNDRV_PCM_STREAM_CAPTURE, argp);