The IOCTL_BTHHFP_DEVICE_REQUEST_DISCONNECT IOCTL removes the Handfree Profile (HFP) Service Level Connection that existed between the audio driver and the Bluetooth device.
Input buffer length
Output buffer length
This request initiates the process to disconnect the Service Level Connection and ends without waiting for the disconnection to complete. Connection status can be determined using IOCTL_BTHHFP_DEVICE_GET_CONNECTION_STATUS_UPDATE.
The audio driver sends this request from its handler for the KSPROPERTY_ONESHOT_DISCONNECT KS property.
|Minimum supported client||Windows 8|
|Minimum supported server||Windows Server 2012|