linux-kernel - Re: [PATCH v2] x86, olpc-xo15-sci: enable lid close wakeup control through sysfs

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Message-ID: <20111210171644.GA16220@kroah.com>
Date:	Sat, 10 Dec 2011 09:16:44 -0800
From:	Greg KH <greg@...ah.com>
To:	Daniel Drake <dsd@...top.org>
Cc:	akpm@...ux-foundation.org, mingo@...hat.com, tglx@...utronix.de,
	hpa@...or.com, x86@...nel.org, dilinger@...ued.net,
	linux-kernel@...r.kernel.org, mjg@...hat.com,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH v2] x86, olpc-xo15-sci: enable lid close wakeup control
 through sysfs

On Sat, Dec 03, 2011 at 05:14:01PM +0000, Daniel Drake wrote:
> Like most systems, OLPC's ACPI LID switch wakes up the system when the lid
> is opened, but not when it is closed.
> 
> Under OLPC's opportunistic suspend model, the lid may be closed while the
> system was oportunistically suspended with the screen running.  In this
> event, we want to wake up to turn the screen off.
> 
> Enable control of normal ACPI wakeups through lid close events through a
> new sysfs attribute "lid_wake_on_closed".  When set, and when LID wakeups
> are enabled through ACPI, the system will wake up on both open and close
> lid events.

As you are adding new sysfs files, you have to also include
Documentation/ABI entries for them as well.  Please do so in this patch.

thanks,

greg k-h
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