SNDRV_PCM_IOCTL_XRUN 598 include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) SNDRV_PCM_IOCTL_XRUN 598 tools/include/uapi/sound/asound.h #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48)