SNDRV_CTL_IOCTL_ELEM_LIST 970 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list) SNDRV_CTL_IOCTL_ELEM_LIST 970 tools/include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_ELEM_LIST _IOWR('U', 0x10, struct snd_ctl_elem_list)