PHDAUDIO_DMA_NOTIFICATION_CALLBACK callback function (hdaudio.h)
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 |