SNDRV_PCM_MMAP_OFFSET_DATA 319 include/uapi/sound/asound.h SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, SNDRV_PCM_MMAP_OFFSET_DATA 319 tools/include/uapi/sound/asound.h SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000,