linux-kernel - Re: [PATCH] PNPACPI: Enable Power Support

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Date:	Wed, 10 Dec 2008 20:30:49 +0100
From:	Witold Szczeponik <Witold.Szczeponik@....net>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	Adam Belay <abelay@....edu>, rjw@...k.pl
Subject: Re: [PATCH] PNPACPI: Enable Power Support

Henrique de Moraes Holschuh wrote:

> On Mon, 08 Dec 2008, Witold Szczeponik wrote:
>> This patch sets the power of PnP ACPI devices to D0 when they
>> are activated and to D3 when they are disabled.  The latter is
> 
> This will likely fix my T43 to power down USB during STR. THANKS!!
> Now, I just need to check if the ACPI BIOS is smart enough to not do
> it when they are configured as wake devices [in the BIOS].
> 

Most likely it won't. :-(  My patch takes only care of devices that are
properly registered as PnP by ACPI: attached USB devices don't fall
under that category.

--- Witold

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