[alsa-devel] [PATCH 0/8] ASoC: Prepare Sound Open Firmware (SOF) driver integration

[Liam Girdwood]

On Thu, 2017-10-12 at 18:49 -0500, Pierre-Louis Bossart wrote:
> The Sound Open Firmware work [1] is progressing quickly and drivers
> for the 1.0 release will soon be submitted upstream. Before we do so,
> there is a new to reshuffle the ACPI integration and Intel
> Kconfig/Makefiles. 
> 
> We already have three incompatible drivers (BYT/HSW/BDW, Atom/BYT/CHT,
> SKL+) for historical reasons, blindly adding yet another one would be
> silly.  We need to avoid having the same ACPI routines and machine
> tables duplicated in 3 locations (soc/intel/common, soc/atom/sst and
> the upcoming soc/sof).
> 
> The ACPI routines should be part of sound/soc since there is no real
> hardware dependency (ACPI is not limited to Intel).
> 
> The ACPI table definitions and quirks are moved to a soc/intel/common module
> so that when new HIDs or quirks are added "legacy" and the SOF drivers
> are updated at once.
> 
> The Makefiles/Kconfig are also modified to select the SOC(s) first and
> the machine driver(s) second. The existing code only exposes machine
> drivers which precludes reuse of machine drivers when SOF platform
> drivers are selected. SOF drivers will be exposed in parallel to the
> 'Intel SST' ones (with an exclusive choice needed), but machine
> drivers will be shared.
> 
> These patches apply on top of broonie/for-next + all the patches I
> submitted this week (no dependency on SOF). For people with allergic
> reactions to patches over email, the code is here:
> https://github.com/plbossart/sound/commits/topic/acpi-updates6
> 
> This patchset does not address the case where two drivers are selected
> for the same ACPI HID. I just don't know of any technical solution to
> that problem.
> 
> changes since initial RFC:
> rebased to v4.14-rc2, used kernel style doc for machine descriptors,
> removed useless fields, split tables for each SOC
> corrected missing newlines
> 
> Pierre-Louis Bossart (8):
>   ASoC: move ACPI common code out of Intel/sst tree
>   ASoC: Intel: common: use c99 syntax for ACPI/machine tables
>   ASoC: ACPI: add new fields for SOF support
>   ASoC: Intel: move all ACPI match tables to common module
>   ASoC: Intel: add SOF firmare/topology file information
>   ASoC: Intel: move machine drivers to dedicated KConfig
>   ASoC: Intel: reorder boards Kconfig by chronological order
>   ASoC: Intel: clarify Kconfig dependencies

All

Acked-by: Liam Girdwood <liam.r.girdwood at linux.intel.com>