Should green_saver.ko shut off a laptop's backlight?

[Adam Vande More]

On Sat, Nov 27, 2010 at 6:39 PM, Doug Barton <dougb at 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=

-- 
Adam Vande More