From owner-freebsd-current@FreeBSD.ORG Mon Nov 29 21:37:22 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 849211065672 for ; Mon, 29 Nov 2010 21:37:22 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from mail2.fluidhosting.com (mx23.fluidhosting.com [204.14.89.6]) by mx1.freebsd.org (Postfix) with ESMTP id 2BDBA8FC13 for ; Mon, 29 Nov 2010 21:37:21 +0000 (UTC) Received: (qmail 2861 invoked by uid 399); 29 Nov 2010 21:37:21 -0000 Received: from localhost (HELO doug-optiplex.ka9q.net) (dougb@dougbarton.us@127.0.0.1) by localhost with ESMTPAM; 29 Nov 2010 21:37:21 -0000 X-Originating-IP: 127.0.0.1 X-Sender: dougb@dougbarton.us Message-ID: <4CF41D0F.9060002@FreeBSD.org> Date: Mon, 29 Nov 2010 13:37:19 -0800 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.12) Gecko/20101028 Thunderbird/3.1.6 MIME-Version: 1.0 To: John Baldwin References: <4CF1A4DA.1080908@FreeBSD.org> <201011291009.15466.jhb@freebsd.org> <4CF416AA.60502@FreeBSD.org> <201011291614.17180.jhb@freebsd.org> In-Reply-To: <201011291614.17180.jhb@freebsd.org> X-Enigmail-Version: 1.1.2 OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Adam Vande More , freebsd-current@freebsd.org Subject: Re: Should green_saver.ko shut off a laptop's backlight? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Nov 2010 21:37:22 -0000 On 11/29/2010 13:14, John Baldwin wrote: > On Monday, November 29, 2010 4:10:02 pm Doug Barton wrote: >> On 11/29/2010 07:09, John Baldwin wrote: >>> On Saturday, November 27, 2010 11:30:56 pm Adam Vande More wrote: >>>> On Sat, Nov 27, 2010 at 6:39 PM, Doug Barton wrote: >>>> >>>>> My recollection is that green_saver should turn off an LCD backlight, but I >>>>> just loaded it up on my laptop and it's not doing so. It does remove the >>>>> text from the screen, but the backlight is still on (i.e., it is doing >>>>> exactly what blank_saver does). >>>>> >>>>> When running X DPMS works on that same laptop, so I know the hardware is >>>>> capable. This is 9-current amd64 at r214025. Any suggestions are welcome. >>>>> >>>> >>>> It's never worked for me either and this has been around awhile. >>>> >>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=114928&cat= >>> >>> green_saver just ask's your video card's BIOS to shut the screen off. If the >>> BIOS doesn't turn off the backlight, that is the BIOS's problem, not >>> something we can fix. >> >> Ok, so does the attached seem reasonable? > > I would say 'If the monitor and the video card's BIOS support it' because > both things have to be true for green_saver to work. and/or implies that > only one has to be true. I'm not sure the second paragraph is truly needed > since I've seen it work fine with LCD's on other laptops and other external > monitors as well. I think simply adding the text about the video card's > BIOS is sufficient (and a definite improvement). Ok, done in r216065, thanks. I will update the PR soon'ish. Doug -- Nothin' ever doesn't change, but nothin' changes much. -- OK Go Breadth of IT experience, and depth of knowledge in the DNS. Yours for the right price. :) http://SupersetSolutions.com/