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Laptop waking up in bag: go back to sleep script

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Operating Systems Linux Debian Laptop waking up in bag: go back to sleep script
# 1  
Old 06-29-2008
Laptop waking up in bag: go back to sleep script
I have a Debian-derived distro (Kubuntu 8.04) running on a Dell Inspiron laptop. This laptop often wakes from RAM suspension while in my bag. I would like to run a script, upon RAM suspension wake, that would detect if the lid switch is closed. If so, then the script should put the machine back in RAM suspension. Something like this:
Code:
wait 5 seconds
if (lid==open) {
  go to ram suspension
}
return

I do not know how to poll the lid switch, nor do I know how to suspend to RAM from within a script. I have googled but cannot find this. Can someone point me to a RTFM where TFM shows how to do these two actions? Note that other than a short C course in university and a smithering of PHP I really know nothing about computers. I will ask on my distro's mailing list how to have the script run at wake. Thanks in advance.
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LEARN ABOUT SUSE

laptop_mode

LAPTOP_MODE(8)						      System Manager's Manual						    LAPTOP_MODE(8)

NAME

       /usr/sbin/laptop_mode - apply laptop mode settings

SYNOPSIS

       /usr/sbin/laptop_mode [ cmd ] [ force ]

DESCRIPTION

       This  manual  page  documents  briefly  the  /usr/sbin/laptop_mode command. laptop_mode is a program that applies the settings given in the
       /etc/laptop-mode/laptop-mode.conf configuration file. The primary use is to control the laptop mode feature included in Linux kernels  with
       versions  2.6.6	and  higher,  and  2.4.23  and	higher.  This feature increases battery life by letting your hard drive spin down. This is
       achieved by grouping disk write activity into "chunks" that are spaced at larger intervals than they normally would be. In addition to sup-
       porting	the  Linux  kernel's  laptop  mode  feature, /usr/sbin/laptop_mode also supports various power saving modules which are configured
       through configuration files in the /etc/laptop-mode/conf.d directory.

       It is not recommended to call /usr/sbin/laptop_mode directly to start or stop laptop mode, except in hardware event handlers. To apply  new
       configuration settings from laptop-mode.conf, call the laptop-mode service init script with the reload parameter.

COMMANDS

       Specify force as the second parameter to force laptop_mode to re-apply a state even if the computer is already in that state. These are the
       values that are allowed for cmd :

       auto	 Enable or disable laptop mode based on the current power state. Note that this will not do anything if  the  laptop-mode  service
		 has not been started!

       status	 Display a status report about everything that laptop_mode affects.

SEE ALSO

       laptop-mode.conf(8).

AUTHOR

       This  manual  page was written by Bart Samwel (bart@samwel.tk) for the Debian system (but may be used by others).  Permission is granted to
       copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 any later  version  published	by
       the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL.

																    LAPTOP_MODE(8)