Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965791AbXBOKml (ORCPT ); Thu, 15 Feb 2007 05:42:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965829AbXBOKml (ORCPT ); Thu, 15 Feb 2007 05:42:41 -0500 Received: from mail.trixing.net ([87.230.125.58]:55805 "EHLO mail.trixing.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965791AbXBOKmk (ORCPT ); Thu, 15 Feb 2007 05:42:40 -0500 Message-ID: <45D438F2.2040607@l4x.org> Date: Thu, 15 Feb 2007 11:41:54 +0100 From: Jan Dittmer User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.9) Gecko/20061220 Thunderbird/1.5.0.9 Mnenhy/0.7.4.666 MIME-Version: 1.0 To: Pavel Machek CC: stelian@popies.net, linux-acpi@vger.kernel.org, linux-pm@osdl.org, adaplas@pol.net, dawes@xfree86.org, Linux kernel References: <45D43489.3060409@l4x.org> <20070215103639.GB27338@elf.ucw.cz> In-Reply-To: <20070215103639.GB27338@elf.ucw.cz> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 192.168.1.37 X-SA-Exim-Mail-From: jdi@l4x.org Subject: Re: [linux-pm] Suspend to RAM, Sony Vaio PCG-SRX51P, lcd stays off X-SA-Exim-Version: 4.2.1 (built Mon, 27 Mar 2006 14:12:04 +0200) X-SA-Exim-Scanned: Yes (on mail.trixing.net) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2153 Lines: 53 Pavel Machek wrote: > Hi! > >> I own an older Sony Vaio SRX51P, European Model, P3 based. s2ram >> identifies it with >> >> sys_vendor = "Sony Corporation " >> sys_product = "PCG-SRX51P(DE) " >> sys_version = "01 " >> bios_version = "R0232U2" >> >> Suspend to RAM by using "s2ram -v -m -f" actually works and the >> laptop comes back to life, is accessible by network, etc. kudos >> so far. >> The only but serious problem is, that the lcd stays off after >> resume. No matter what kind of options for s2ram I try, if I disable > > Is the _lcd_ off or the _backlight_ off? Use bright flashlight to > tell. The lcd. If you press the lid button you get the same effect (but you cannot use it to turn the lcd on again :-(( ). But I'll doublecheck with a flashlight nevertheless. >> framebuffer or suspend from X, the lcd always stays off. Only >> a reboot fixes this. Note that the X driver also cannot dis-/enable >> the lcd (xset dpms force off). It always stays lit. I also tried >> with i810switch, but that also does not affect the lcd. >> spicctrl -b42 neither. >> Latest kernel I tested is 2.6.20-git11 from today. >> >> So has anyone of you suspend, acpi, sonypi, fb people an idea how to fix >> this? I suspect one has to call some magic ACPI method upon resume? What >> other kind of information would be needed to debug this? Anything more >> to try? Are there some sony people here listening who can fix this? > > sonypi people actually might know how to help... > >> 00:02.0 VGA compatible controller: Intel Corporation 82815 CGC > [Chipset Graphics Controller] (rev 11) > > Wait a moment, did not Intel release nice, commented, GPLed sources > for their graphics cards somewhere? That might help. URL? But I suspect the lcd on/off is controlled by some embedded controller or such (reachable via acpi, at least I've an EC0 in /proc/acpi/). Jan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/