SNDRV_CTL_IOCTL_ELEM_READ  972 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_ELEM_READ	_IOWR('U', 0x12, struct snd_ctl_elem_value)
SNDRV_CTL_IOCTL_ELEM_READ  972 tools/include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_ELEM_READ	_IOWR('U', 0x12, struct snd_ctl_elem_value)