SNDRV_CTL_IOCTL_TLV_READ 980 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv) SNDRV_CTL_IOCTL_TLV_READ 980 tools/include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_TLV_READ _IOWR('U', 0x1a, struct snd_ctl_tlv)