1 files changed, 65 insertions, 0 deletions
diff --git a/src/class/audio/audio.h b/src/class/audio/audio.h
index 7981396c2..82db9ed9e 100644
--- a/src/class/audio/audio.h
+++ b/src/class/audio/audio.h
@@ -83,6 +83,71 @@ typedef enum {
   AUDIO_TERM_TYPE_OUT_LOW_FRQ_EFFECTS_SPEAKER = 0x0307,
 } audio_terminal_output_type_t;
 
+/// 2.4 - Audio Class-Bi-directional Terminal Types UAC2
+typedef enum
+{
+  AUDIO_TERM_TYPE_BI_DIRECTIONAL_UNDEFINED = 0x0400,
+  AUDIO_TERM_TYPE_BI_DIRECTIONAL_HEADSET_HAND_HELD = 0x0401,
+  AUDIO_TERM_TYPE_BI_DIRECTIONAL_HEADSET_MOUNTED = 0x0402,
+  AUDIO_TERM_TYPE_BI_DIRECTIONAL_SPEAKERPHONE = 0x0403,
+  AUDIO_TERM_TYPE_BI_DIRECTIONAL_SPEAKERPHONE_ECHO_SUPPRESS = 0x0404,
+  AUDIO_TERM_TYPE_BI_DIRECTIONAL_SPEAKERPHONE_ECHO_CANCEL = 0x0405,
+} audio_terminal_bi_directional_type_t;
+
+/// 2.5 - Audio Class-Telephone Terminal Types UAC2
+typedef enum
+{
+  AUDIO_TERM_TYPE_TELEPHONE_UNDEFINED = 0x0500,
+  AUDIO_TERM_TYPE_TELEPHONE_PHONE_LINE = 0x0501,
+  AUDIO_TERM_TYPE_TELEPHONE_TELEPHONE = 0x0502,
+  AUDIO_TERM_TYPE_TELEPHONE_DOWN_LINE_PHONE = 0x0503,
+} audio_terminal_telephony_type_t;
+
+/// 2.6 - Audio Class-External Types UAC2
+typedef enum
+{
+  AUDIO_TERM_TYPE_EXTERNAL_UNDEFINED = 0x0600,
+  AUDIO_TERM_TYPE_EXTERNAL_ANALOG_CONNECTOR = 0x0601,
+  AUDIO_TERM_TYPE_EXTERNAL_DIGITAL_AUDIO = 0x0602,
+  AUDIO_TERM_TYPE_EXTERNAL_LINE_CONNECTOR = 0x0603,
+  AUDIO_TERM_TYPE_EXTERNAL_LEGACY_AUDIO_CONNECTOR = 0x0604,
+  AUDIO_TERM_TYPE_EXTERNAL_SPDIF_INTERFACE = 0x0605,
+  AUDIO_TERM_TYPE_EXTERNAL_1394_DA_STREAM = 0x0606,
+  AUDIO_TERM_TYPE_EXTERNAL_1394_DV_STREAM_SOUNDTRACK = 0x0607,
+  AUDIO_TERM_TYPE_EXTERNAL_ADAT_LIGHTPIPE = 0x0608,
+  AUDIO_TERM_TYPE_EXTERNAL_TDIF = 0x0609,
+  AUDIO_TERM_TYPE_EXTERNAL_MADI = 0x060A,
+} audio_terminal_external_type_t;
+
+/// 2.7 - Audio Class-Embedded Types UAC2
+typedef enum
+{
+  AUDIO_TERM_TYPE_EMBEDDED_UNDEFINED = 0x0700,
+  AUDIO_TERM_TYPE_EMBEDDED_LEVEL_CALIBRATION_NOISE_SOURCE = 0x0701,
+  AUDIO_TERM_TYPE_EMBEDDED_EQUALIZATION_NOISE = 0x0702,
+  AUDIO_TERM_TYPE_EMBEDDED_CD_PLAYER = 0x0703,
+  AUDIO_TERM_TYPE_EMBEDDED_DAT = 0x0704,
+  AUDIO_TERM_TYPE_EMBEDDED_DCC = 0x0705,
+  AUDIO_TERM_TYPE_EMBEDDED_COMPRESSED_AUDIO_PLAYER = 0x0706,
+  AUDIO_TERM_TYPE_EMBEDDED_ANALOG_TAPE = 0x0707,
+  AUDIO_TERM_TYPE_EMBEDDED_PHONOGRAPH = 0x0708,
+  AUDIO_TERM_TYPE_EMBEDDED_VCR_AUDIO = 0x0709,
+  AUDIO_TERM_TYPE_EMBEDDED_VIDEO_DISC_AUDIO = 0x070A,
+  AUDIO_TERM_TYPE_EMBEDDED_DVD_AUDIO = 0x070B,
+  AUDIO_TERM_TYPE_EMBEDDED_TV_TUNER_AUDIO = 0x070C,
+  AUDIO_TERM_TYPE_EMBEDDED_SATELLITE_RECEIVER_AUDIO = 0x070D,
+  AUDIO_TERM_TYPE_EMBEDDED_CABLE_TUNER_AUDIO = 0x070E,
+  AUDIO_TERM_TYPE_EMBEDDED_DSS_AUDIO = 0x070F,
+  AUDIO_TERM_TYPE_EMBEDDED_RADIO_RECEIVER = 0x0710,
+  AUDIO_TERM_TYPE_EMBEDDED_RADIO_TRANSMITTER = 0x0711,
+  AUDIO_TERM_TYPE_EMBEDDED_MULTI_TRACK_RECORDER = 0x0712,
+  AUDIO_TERM_TYPE_EMBEDDED_SYNTHESIZER = 0x0713,
+  AUDIO_TERM_TYPE_EMBEDDED_PIANO = 0x0714,
+  AUDIO_TERM_TYPE_EMBEDDED_GUITAR = 0x0715,
+  AUDIO_TERM_TYPE_EMBEDDED_DRUMS = 0x0716,
+  AUDIO_TERM_TYPE_EMBEDDED_OTHER_MUSICAL_INSTRUMENT = 0x0717,
+} audio_terminal_embedded_type_t;
+
 /// Rest is yet to be implemented
 
 //--------------------------------------------------------------------+