I guess that needs to be done by properly programming the verb table.
HDAU utility may help

On Wed, Sep 29, 2021 at 2:43 AM Rao <grao.v80@gmail.com> wrote:

Hi Jose,

 

Did you manager to resolve this on Baytrail E3845, I faced this issue on External interface with DP port

LVDS, HDMI,DVI works fine

 

My system Baytrail E3845:
 
DisplayPort audio in Linux works fine but in Windows is not detected.
I am sure that the OS has the proper graphics drivers because DP Audio works 
with original BIOS in the same HDD Windows OS.
 
Anyone could give me a hint?
Thank you,
J. Trujillo.

 

Sent from Mail for Windows

 

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Best regards,
Naresh G. Solanki