snd_ctl_tlv       926 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_TLV_READ	_IOWR('U', 0x1a, struct snd_ctl_tlv)
snd_ctl_tlv       927 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_TLV_WRITE	_IOWR('U', 0x1b, struct snd_ctl_tlv)
snd_ctl_tlv       928 include/uapi/sound/asound.h #define SNDRV_CTL_IOCTL_TLV_COMMAND	_IOWR('U', 0x1c, struct snd_ctl_tlv)