From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: S1bios Date: Wed, 12 Mar 2003 22:52:47 +0100 Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Message-ID: <20030312215246.GA136@elf.ucw.cz> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Patrick Mochel Cc: lneves-3+EeCmRbAIo+BYJ/izffpQ@public.gmane.org, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Hi! > > As S4Bios was created to use the ability of the machines who still have some > > APM support to overcome the current limitations and difficulties of swsusp, > > isn't it possible to do the same with S1? > > No. S1 is a very simple suspend state, and IIRC, doesn't require that > devices even be powered down. > > There are two solutions to your problem - a quick easy one that anyone can > do, and a right one that we desparately need people to start doing. > > The first: userspace. You may be able to turn off the backlight via some > command. I've seen it done before, but it's been a long time. You may also > be able to spin down the disks. Actually, I have not found out a way to turn off backlight on toshiba 4030cdt without using APM. Nor I know how to turn off backlight on hp omnibook. > The right way to do it is to fix the drivers to properly handle suspend/ > resume transitions. It's needed for all power states, as well as > supporting runtime power management. Well, and should S1 turn backlight off? It seems like the original poster wants S3, not S1. Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] ------------------------------------------------------- This SF.net email is sponsored by:Crypto Challenge is now open! Get cracking and register here for some mind boggling fun and the chance of winning an Apple iPod: http://ads.sourceforge.net/cgi-bin/redirect.pl?thaw0031en