How can Bluetooth filter driver control HFP codec of Bluetooth Driver Stack

Question

My company produce Bluetooth module and develop Bluetooth filter driver on Windows. We found the PHILPs UN102 might have some mSBC decode bugs and will cause this earphone make zizi noise. The codec negotiation is decide by host, So we need a solution provided by Microsoft to let our Bluetooth filter driver control the Bluetooth Driver Stack to use other codec before establish sco link.

Answer 1

Bluetooth filter driver development is out of scope of Windows Server tag.
You could open a new case on Windows Driver Kit (WDK) forum, or add corresponding develop tag in your post so you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn.
https://learn.microsoft.com/en-us/answers/topics/windows-hardware-wdk.html

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