Re: [PATCH 2/2] ALSA: hda/tas2563: Add tas2563 HDA driver

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On Wed, Dec 06, 2023 at 05:07:16PM +0100, Amadeusz Sławiński wrote:
> On 12/5/2023 6:22 PM, Pierre-Louis Bossart wrote:

...

> > > > > > > +	 tas2xxx_generic_fixup(cdc, action, "i2c", "INT8866");
> > > > > > 
> > > > > > Any specific reason to use an Intel ACPI identifier? Why not use
> > > > > > "TIAS2563" ?
> 
> Will just note that prefix should probably be TXNW (not TIAS) as discussed
> recently on list.

...which should come directly from TI as it's their responsibility to allocate
an ACPI ID.

...

> > > > > INT8866 is in the ACPI.
> > > > > I don't know why Lenovo uses this name.
> > > > > I think it's more internal than intel.

This is wrong (PNP) ID.

...

> > > > >              Name (_HID, "INT8866")  // _HID: Hardware ID
> > > > 
> > > > Ouch, I hope they checked with Intel that this isn't an HID already in
> > > > use...
> > > > 
> > > It looks the INT prefix is not reserved. (yet)
> > > https://uefi.org/ACPI_ID_List?acpi_search=INT

You are looking into wrong registry, and yeah, Intel used wrong PNP ID
for years...

> > It's been de-facto reclaimed by Intel over the years, apparently using
> > INTC or INTL was too hard for some of my colleagues...
> 
> Perhaps it should be reserved then, so it is present on above list?

-- 
With Best Regards,
Andy Shevchenko





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