SNDRV_PCM_IOCTL_READN_FRAMES  603 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_READN_FRAMES	_IOR('A', 0x53, struct snd_xfern)
SNDRV_PCM_IOCTL_READN_FRAMES  603 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_READN_FRAMES	_IOR('A', 0x53, struct snd_xfern)