#pragma once

enum
{
    STRID_LANGID = 0,
    STRID_MANUFACTURER,
    STRID_PRODUCT,
    STRID_SERIAL,
    STRID_AUDIO_INTERFACE
};

enum
{
    ITF_NUM_AUDIO_CONTROL = 0,
    ITF_NUM_AUDIO_STREAMING,
    ITF_NUM_TOTAL
};

#define UAC2_ENTITY_MIC_INPUT_TERMINAL  0x01
#define UAC2_ENTITY_FEATURE_UNIT        0x02
#define UAC2_ENTITY_MIC_OUTPUT_TERMINAL 0x03
#define UAC2_ENTITY_CLOCK               0x04

#define EPNUM_AUDIO_IN      0x81