// hdaudio.h

PHDAUDIO_UNSOLICITED_RESPONSE_CALLBACK PhdaudioUnsolicitedResponseCallback;

VOID PhdaudioUnsolicitedResponseCallback(
  HDAUDIO_CODEC_RESPONSE unnamedParam1,
  PVOID unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-hdaudio-phdaudio_unsolicited_response_callback)

PHDAUDIO_UNSOLICITED_RESPONSE_CALLBACK callback function

Description

HDAudio codec unsolicited response callback function. PHDAUDIO_UNSOLICITED_RESPONSE_CALLBACK is used by the PREGISTER_EVENT_CALLBACK callback function.

Parameters

`unnamedParam1`

Context - This is the callbackContext value that was passed previously to PREGISTER_EVENT_CALLBACK.

`unnamedParam2`

HDAudioCodecResponse - This is a structure of type HDAUDIO_CODEC_RESPONSE that specifies the codec's response to the command. This structure is passed by value.

Remarks

The HD Audio bus driver calls the callback routine at PASSIVE_LEVEL.

PHDAUDIO_UNSOLICITED_RESPONSE_CALLBACK - NtDoc