[PATCH v2] ALSA: hda: Refactor Intel NHLT init

[Takashi Iwai]

On Thu, 23 Apr 2020 18:03:10 +0200,
Cezary Rojewski wrote:
> 
> NHLT fetch based on _DSM prevents ACPI table override mechanism from
> being utilized. Make use of acpi_get_table to enable it and get rid of
> redundant code. In consequence, NHLT can be overridden just like any
> other ACPI table, e.g.: DSDT or SSDT.
> 
> Change has been verified on all Intel AVS architecture platforms, RVP
> and production laptops both.
> 
> Change possible due to addition of NHLT signature to the list of
> standard ACPI tables:
> https://patchwork.kernel.org/patch/11463235/
> 
> Override helps not only with debug purposes but also allows user for
> table adjustment when one found on their production hardware is invalid.
> Shared official NHLT spec is now available to community at:
> https://01.org/blogs/intel-smart-sound-technology-audio-dsp
> 
> NHLT support for iASL is still ongoing subject but should be available
> in nearest future.
> 
> Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>

Applied to for-next branch now.


thanks,

Takashi