A video is available explaining the steps needed and how to use Quickstudio.
https://www.youtube.com/watch?v=cCnKK-Y5uYY
Making changes to TFA9894D configuration can been needed when:
- different speaker is used
- when hardware changes apply like different power budget / external supply
- when the audio characteristics need to be changed.
Quickstudio is the tool to do this real time with as an result an buffer.H file that is used by the driver.
The video shows all steps needed and the functionality of QuickStudio.