about pairing between PS3 and the HID divice

[huanmengQQ]

hello everyone
I have a question about pairing between PS3 and the HID divice.

I have succeed to deal with pairing between PS3 and HID divice use the follow process:
1.set the class of the HID device as 0x4a2580 to make PS3 to display the Pass-Key input dialog(if i set the class as other value the dialog will not displayed)
2.let PS3 find the HID device
3.the HID device start the pairing by use the API "hci_authenticate_link"
4.PS3 try to connect to the HID device and display the Pass-Key input dialog
5.input the PIN-Code on both PS3 and HID device
6.use the Dbus-Agent to deal with the Authentication on the HID device

however I have succeed the pairing and also save the link-key on the HID device the following error message have come

Error message:"An error occurred during the register operation Try to register again(800315C2)"

I don't know why?
Looking for your help

Many thanks for any help