VOLUME_CONTROL
VOLUME_CONTROL, sizeof(u16), &min);
VOLUME_CONTROL, sizeof(u16), &max);
(0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v);
(0x01 << 8) | VOLUME_CONTROL, sizeof(s16), &v);
(0x02 << 8) | VOLUME_CONTROL, sizeof(s16), &v);
(0x01 << 8) | VOLUME_CONTROL, sizeof(u16), &v);