// sidebandaudio.h

// CTL_CODE(0x0022, 0x018, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_SBAUD_SET_DEVICE_CLAIMED 0x00220063
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Windows Driver Kit DDI reference (ni-sidebandaudio-ioctl_sbaud_set_device_claimed)

IOCTL_SBAUD_SET_DEVICE_CLAIMED IOCTL

Description

The IOCTL_SBAUD_SET_DEVICE_CLAIMED IOCTL claims the device for sideband. This control code is used by an audio driver when cooperating with the audio class drivers to operate a sideband connection.

Parameters

Major code

IRP_MJ_DEVICE_CONTROL

Input buffer

(IN) BOOL

TRUE indicates device was claimed by client
FALSE indicates device was not claimed and should be inband.

Input buffer length

The length of the input buffer - sizeof(BOOL).

Output buffer

Output buffer length

Input/output buffer

Input/output buffer length

Status block

Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful. Otherwise, Status to the appropriate error condition as a NTSTATUS code. For more information, see NTSTATUS Values.

Remarks

This IOCTL can only be called from kernel mode.

Requirements


Header	sidebandaudio.h

IOCTL_SBAUD_SET_DEVICE_CLAIMED - NtDoc