From: aaron lwe <aaron.lwe@gmail.com>
To: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: linux-acpi@vger.kernel.org
Subject: Re: any way to evaluate a device's _PS0 method when its power state is at D0?
Date: Thu, 19 May 2011 23:28:45 +0800 [thread overview]
Message-ID: <BANLkTinHONwV7aGPbxkCmVKrH0V0HLfz_Q@mail.gmail.com> (raw)
In-Reply-To: <20110519151400.GA16348@srcf.ucam.org>
On Thu, May 19, 2011 at 11:14 PM, Matthew Garrett <mjg59@srcf.ucam.org> wrote:
> On Thu, May 19, 2011 at 11:05:24PM +0800, aaron lwe wrote:
>
>> Since this device's state is set to D0 in acpi_bus_init_power without
>> evaluating _PS0 control method, and I need HASD to be set to 1 for
>> _PS0 to be evaluated effectively when I put the device back to D0 from
>> D3, I'll need to evaluate _PS0 when this device's power state is at
>> D0.
>
> Ok, so that sounds like we need to call _PS0 on initial device setup.
> It'd be better to do that than to try to figure out a way for oyu to
> call it later.
Totally agree ;-)
So are you going to write a patch for this?
next prev parent reply other threads:[~2011-05-19 15:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-19 10:06 any way to evaluate a device's _PS0 method when its power state is at D0? aaron lwe
2011-05-19 12:42 ` Matthew Garrett
2011-05-19 15:05 ` aaron lwe
2011-05-19 15:14 ` Matthew Garrett
2011-05-19 15:28 ` aaron lwe [this message]
2011-05-19 15:45 ` Matthew Garrett
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