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PHDAUDIO_DMA_NOTIFICATION_CALLBACK callback function (hdaudio.h)

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HDAudio codec DMA Notification Callback function.

PHDAUDIO_DMA_NOTIFICATION_CALLBACK is used by the PREGISTER_NOTIFICATION_CALLBACK callback function.

Syntax

PHDAUDIO_DMA_NOTIFICATION_CALLBACK PhdaudioDmaNotificationCallback;

void PhdaudioDmaNotificationCallback(
  PVOID unnamedParam1,
  LARGE_INTEGER unnamedParam2
)
{...}

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.

Return value

None

Requirements

Requirement Value
Minimum supported client 19H1
Header hdaudio.h (include hdaudio.h)
IRQL DPC_LEVEL

See also

hdaudio.h