APPLIED(B,D): [SRU] [B/D/Unstable/OEM-B/OEM-OSP1-B] [PATCH 0/1] Unhide Nvidia HDA audio controller

[Khaled Elmously]

On 2019-07-12 14:34:29 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1836308
> 
> [Impact]
> Nvidia HDA audio controller comes with Nvidia graphics cannot be found
> by PCI subsystem.
> 
> [Fix]
> Write bit 25 at graphics' config space offset 0x488 to enable the HDA
> controller.
> 
> [Test]
> Nvidia HDA controller is not listed under lspci.
> After applying the fix lspci can find Nvidia HDA controller.
> 
> [Regression Potential]
> Low. This fix doesn't bring any functional change other then exposing
> HDA controller at hardware level.
> 
> Lukas Wunner (1):
>   PCI: Enable NVIDIA HDA controllers
> 
>  drivers/pci/quirks.c    | 30 ++++++++++++++++++++++++++++++
>  include/linux/pci_ids.h |  1 +
>  2 files changed, 31 insertions(+)
> 
> -- 
> 2.17.1
> 
> 
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