IOCTL_SBAUD_SET_VOLUME IOCTL (sidebandaudio.h)
The IOCTL_SBAUD_SET_VOLUME IOCTL is used to set the volume on a specific channel. This control code is used by an audio driver when cooperating with the audio class drivers to operate a sideband connection.
Major code
Input buffer
A SIDEBANDAUDIO_VOLUME_PARAMS structure that describes the volume level and the channel that the volume will be set.
Input buffer length
The size of the SIDEBANDAUDIO_VOLUME_PARAMS structure.
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
Requirement | Value |
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Header | sidebandaudio.h |