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Date: Tue, 22 Jan 2013 15:42:48 -0800
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        "Kristen C. Accardi" <kristen.c.accardi@intel.com>,
        Len Brown <lenb@kernel.org>
Subject: Re: [PATCH 1/4] ACPI / PM: Expose power states of ACPI devices to
 user space
Message-ID: <20130122234248.GB694@kroah.com>
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On Tue, Jan 22, 2013 at 03:25:15AM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> 
> Make it possible to retrieve the current power state of a device with
> ACPI power management from user space via sysfs by adding two new
> attributes, power_state and real_power_state, to the sysfs directory
> associated with the struct acpi_device object representing the
> device's ACPI node.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>