From: "Grover, Andrew" <andrew.grover@intel.com>
To: "'Matthew Wilcox'" <willy@debian.org>
Cc: "'Marc Giger'" <gigerstyle@gmx.ch>,
linux-kernel@vger.kernel.org, acpi-devel@sourceforge.net
Subject: RE: [ACPI] RE: ACPI Status
Date: Fri, 13 Sep 2002 15:02:45 -0700 [thread overview]
Message-ID: <EDC461A30AC4D511ADE10002A5072CAD0236DE63@orsmsx119.jf.intel.com> (raw)
> From: Matthew Wilcox [mailto:willy@debian.org]
> One thing I'm not clear about is status of support for ACPI 2.0.
> The FAQ on intel's website claims support for ACPI 1.0b only with 2.0
> "in development", but it seems rather out of date.
ACPI 2.0 introduced new objects as well as AML grammar elements.
The interpreter is ACPI 2.0 grammar compliant (modulo bugs). A separate
matter is writing the code to take advantage of new objects.
We only take advantage of some ACPI 2.0 objects currently. (Indeed, we don't
take advantage of all ACPI 1.0 objects.)
Examples of some ACPI 1.0 objects we use: thermal zones, battery, embedded
controller
Examples of some ACPI 1.0 objects we don't use (yet): device power
management, smart battery
Examples of some ACPI 2.0 objects we use: XSDT, ECDT, processor performance
state objects
Examples of some ACPI 2.0 objects we don't use (yet): _PXM, _CST, _HPP
Regards -- Andy
next reply other threads:[~2002-09-13 21:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-13 22:02 Grover, Andrew [this message]
2002-09-13 22:13 ` KOCHI, Takayoshi
-- strict thread matches above, loose matches on Subject: below --
2002-09-13 17:22 Grover, Andrew
2002-09-13 21:08 ` [ACPI] " Matthew Wilcox
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