Hi Galla / Everyone

My name is Rafael Machado and I'm doing an UEFI driver as my MSc (computer
science) teses.

The idea is to create accessible bios in future. This driver will just open
the first door.

I didn't find any solution related to Audio at UEFI, and this is the reason
I'll do this work.

Soon I'll start to ask the experts some guidance to do this task. I'm just
reading and doing some tests to have some background and avoid stupid
questions.

In any case, it'll be an opensource driver ( I'll try to add it to the UDK
tree after having the community approval).

It will take some time to do that, but I'll do my best.

Thanks and Regards
Rafael R. Machado

Em ter, 15 de mar de 2016 às 01:10, Galla Rao <[email protected]>
escreveu:

> Hello All,
>
> would be interested to know about playing Audio notes in "UEFI"
>
> examined default codec's are not installed in UEFI Audio driver
>
> have any generic hardware solution for Speaker & Microphone in UEFI?
>
> The chipset spec says
>
> "ACPI BIOS polls the DCKSTS.DM <http://dcksts.dm/> bit and when it detects
> it is set to 1,
> conveys this to the OS through a plug-N-play IRP. This eventually invokes
> the HD Audio Bus Driver, which then begins it's codec discovery,
> enumeration, and configuration process" (HD Audio Bus OS Driver)
>
> Audio codecs can be installed in UEFI?
>
> Thanks
> -Galla
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