SNDRV_HWDEP_IOCTL_PVERSION 146 include/uapi/sound/asound.h #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) SNDRV_HWDEP_IOCTL_PVERSION 146 tools/include/uapi/sound/asound.h #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int)