From mboxrd@z Thu Jan  1 00:00:00 1970
From: haojian.zhuang@gmail.com (Haojian Zhuang)
Date: Tue, 17 May 2011 23:02:19 +0800
Subject: How to debug /sys/power/state?
In-Reply-To: <BANLkTimqZX0Xm4T-Sc1CX9Aiv=YB6-fr7Q@mail.gmail.com>
References: <BANLkTimqZX0Xm4T-Sc1CX9Aiv=YB6-fr7Q@mail.gmail.com>
Message-ID: <BANLkTik_jm1gicRrVhe+msTAXzn-S-Ge3w@mail.gmail.com>
To: kernelnewbies@lists.kernelnewbies.org
List-Id: kernelnewbies.lists.kernelnewbies.org

On Tue, May 17, 2011 at 10:40 PM, Joy Sun <joy2sun127@gmail.com> wrote:
> Hi,
>
> I'm a newbie, and trying to understand the power control over linux.
>
> It looks that the basic power control would be achieved by /sys/power/state,
> but I can't find the starting point to look at it.
>
> Could somebody help me to find where takes the input from /sys/power/state
> in linux kernel code, please?
>
> (I've posted this before, but it doesn't look it appear in the list, so I
> re-post again.)
>
$LINUX/kernel/power/main.c