Date: Mon, 29 Nov 2010 10:09:15 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Adam Vande More <amvandemore@gmail.com>, Doug Barton <dougb@freebsd.org> Subject: Re: Should green_saver.ko shut off a laptop's backlight? Message-ID: <201011291009.15466.jhb@freebsd.org> In-Reply-To: <AANLkTikYehiu=UgLNCh7EEKUmcXj==YFMiu1T_pMP%2BYY@mail.gmail.com> References: <4CF1A4DA.1080908@FreeBSD.org> <AANLkTikYehiu=UgLNCh7EEKUmcXj==YFMiu1T_pMP%2BYY@mail.gmail.com>
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On Saturday, November 27, 2010 11:30:56 pm Adam Vande More wrote: > On Sat, Nov 27, 2010 at 6:39 PM, Doug Barton <dougb@freebsd.org> 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. -- John Baldwin
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