// bthhfpddi.h
// CTL_CODE(0x0022, 0x003, METHOD_NEITHER, FILE_ANY_ACCESS)
#define IOCTL_BTHHFP_DEVICE_REQUEST_CONNECT 0x0022000F
View the official Windows Driver Kit DDI referenceNo description available.
The IOCTL_BTHHFP_DEVICE_REQUEST_CONNECT IOCTL requests a Handsfree Profile (HFP) Service Level Connection to the Bluetooth device.
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This request initiates the procedure to create a Service Level Connection, and ends without waiting for the connection procedure 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_RECONNECT KS property.
IOCTL_BTHHFP_DEVICE_GET_CONNECTION_STATUS_UPDATE