SNDRV_PCM_IOCTL_PVERSION 575 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) SNDRV_PCM_IOCTL_PVERSION 575 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int)