linux-kernel - Re: [PATCH] acpi: fan after suspend-to-mem fix

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Message-ID: <20020101025323.GA4106@ucw.cz>
Date:	Tue, 1 Jan 2002 02:53:24 +0000
From:	Pavel Machek <pavel@....cz>
To:	Tommi Kyntola <tommi.kyntola@....fi>
Cc:	linux-kernel@...r.kernel.org, acpi-devel@...ts.sourceforge.net
Subject: Re: [PATCH] acpi: fan after suspend-to-mem fix

Hi!

> The fan hasn't worked on my HP nw8000 laptop after an S3 
> suspend
> ever, but fixing that to ACPI_D3 there finally makes it 
> work as
> expected.
> 
> If there was some hidden reason why that was set to 
> ACPI_D0,

You do not want to overheat while suspending.

(Yep, I'm doing some time travel in my spare time, sorry about that).


> @@ -243,7 +243,7 @@ static int acpi_fan_suspend(struct 
> acpi_device *device, int state)
>         if (!device)
>                 return -EINVAL;
> 
> -       acpi_bus_set_power(device->handle, 
> ACPI_STATE_D0);
> +       acpi_bus_set_power(device->handle, 
> ACPI_STATE_D3);
> 
>         return AE_OK;
>  }
> 
> -
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-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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