// hdaudio.h

PHDAUDIO_DMA_NOTIFICATION_CALLBACK PhdaudioDmaNotificationCallback;

VOID PhdaudioDmaNotificationCallback(
  PVOID unnamedParam1,
  LARGE_INTEGER unnamedParam2
)
{...}
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Windows Driver Kit DDI reference (nc-hdaudio-phdaudio-dma_notification_callback)

PHDAUDIO_DMA_NOTIFICATION_CALLBACK callback function

Description

HDAudio codec DMA Notification Callback function.

PHDAUDIO_DMA_NOTIFICATION_CALLBACK is used by the PREGISTER_NOTIFICATION_CALLBACK callback function.

Parameters

`unnamedParam1`

Context - Driver-specific context value used when registering the callback routine.

`unnamedParam2`

QPCDMANotificationTimestamp - The QPC time when the IOC ISR handled the DMA interrupt.

Prototype

//Declaration

PHDAUDIO_DMA_NOTIFICATION_CALLBACK PHdAudioDmaNotificationCallback;

// Definition

VOID PHdAudioDmaNotificationCallback
(
    PVOID Context
    LARGE_INTEGER QPCDMANotificationTimestamp
)
{...}

PHDAUDIO_DMA_NOTIFICATION_CALLBACK - NtDoc