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usb_audio: mark speaker OUT adaptive so Windows UAC2 can start #11256

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usb_audio: mark speaker OUT adaptive so Windows UAC2 can start #11256

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0a81c4e
Changed TUSB_ISO_EP_ATT_ASYNCHRONOUS to TUSB_ISO_EP_ATT_ADAPTIVE for …
jbirchall-svg Aug 26, 2026
515dc2b
Merge remote-tracking branch 'adafruit/main' into bugfix/11216-usb-au…
jbirchall-svg Aug 26, 2026
93a2896
Moved ADAPTIVE from mic to speaker in headset descriptor
jbirchall-svg Aug 31, 2026
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6 changes: 3 additions & 3 deletions shared-module/usb_audio/__init__.c
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ void usb_audio_setup_singletons(void) {
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */ \
TUD_AUDIO20_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample), \
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */ \
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epout, /*_attr*/ (uint8_t)((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ASYNCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ 0x01), \
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epout, /*_attr*/ (uint8_t)((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ADAPTIVE | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ 0x01), \
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */ \
TUD_AUDIO20_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO20_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_lockdelayunit*/ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000)

Expand Down Expand Up @@ -263,7 +263,7 @@ void usb_audio_setup_singletons(void) {
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */ \
TUD_AUDIO20_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample), \
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */ \
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epout, /*_attr*/ (uint8_t)((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ASYNCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ 0x01), \
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epout, /*_attr*/ (uint8_t)((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ADAPTIVE | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ 0x01), \
/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */ \
TUD_AUDIO20_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO20_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_lockdelayunit*/ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000), \
/* --- Mic AudioStreaming interface (_itfnum + 2) --- */ \
Expand All @@ -276,7 +276,7 @@ void usb_audio_setup_singletons(void) {
/* Type I Format Type Descriptor(2.3.1.6 - Audio Formats) */ \
TUD_AUDIO20_DESC_TYPE_I_FORMAT(_nBytesPerSample, _nBitsUsedPerSample), \
/* Standard AS Isochronous Audio Data Endpoint Descriptor(4.10.1.1) */ \
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ (uint8_t)((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ASYNCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ 0x01), \
TUD_AUDIO20_DESC_STD_AS_ISO_EP(/*_ep*/ _epin, /*_attr*/ (uint8_t)((uint8_t)TUSB_XFER_ISOCHRONOUS | (uint8_t)TUSB_ISO_EP_ATT_ADAPTIVE | (uint8_t)TUSB_ISO_EP_ATT_DATA), /*_maxEPsize*/ _epsize, /*_interval*/ 0x01), \
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/* Class-Specific AS Isochronous Audio Data Endpoint Descriptor(4.10.1.2) */ \
TUD_AUDIO20_DESC_CS_AS_ISO_EP(/*_attr*/ AUDIO20_CS_AS_ISO_DATA_EP_ATT_NON_MAX_PACKETS_OK, /*_ctrl*/ AUDIO20_CTRL_NONE, /*_lockdelayunit*/ AUDIO20_CS_AS_ISO_DATA_EP_LOCK_DELAY_UNIT_UNDEFINED, /*_lockdelay*/ 0x0000)

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