SNDRV_CTL_ELEM_ACCESS_VOLATILE 862 include/uapi/sound/asound.h #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */ SNDRV_CTL_ELEM_ACCESS_VOLATILE 862 tools/include/uapi/sound/asound.h #define SNDRV_CTL_ELEM_ACCESS_VOLATILE (1<<2) /* control value may be changed without a notification */