Re: [PATCH v2 13/19] ASoC: SDCA: Add SDCA FDL data parsing

[Charles Keepax <ckeepax@opensource.cirrus.com>]

On Tue, Sep 16, 2025 at 02:38:06PM +0100, Mark Brown wrote:
> On Fri, Sep 12, 2025 at 11:34:58AM +0100, Charles Keepax wrote:
> > From: Maciej Strozek <mstrozek@opensource.cirrus.com>
> > 
> > Add parsing of ACPI DisCo information specific to FDL (File DownLoad).
> > DisCo contains a list of File Sets which can be requested by the device
> > and within each of those a list of individual files to be downloaded to
> > the device. Optionally the contents of the files may also be present in
> > a special ACPI table, called SWFT (SoundWire File Table).
> 
> This breaks the build:
> 
> /build/stage/linux/sound/soc/sdca/sdca_device.c:40:26: error: use of undeclared identifier 'ACPI_SIG_SWFT'
>    40 |         status = acpi_get_table(ACPI_SIG_SWFT, 0,
>       |                                 ^
> 1 error generated.
> 
> The identifier is added by some tree in -next but is not present in
> mainline or my tree.

Yeah apologies for that, it is called out in the cover letter.
But I wanted to get the review started as soon as we could, as
most of the SDCA stuff has seen a fair few rounds of review. If
we are ready to merge it, we would need to organise some sort
of immutable branch with Rafael, he is CCed on the series, for
visibility.

Thanks,
Charles