Re: [PATCH] [Fwd: Console locking and blanking]

[Steven Rostedt]

On Wed, 2005-08-17 at 13:29 +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2005-08-17 at 11:41 +1000, Benjamin Herrenschmidt wrote:
> 
> > (I'm blind and I use a braille display. I use those functions to blank 
> > my laptop's screen so people don't read it, and hopefully to conserve 
> > power.)

At the OLS I learned that the backlight of a laptop (when the screen is
black, but still glows) actually spends more wattage than when the
screen is lit.  So, unless you actually turn the laptop display off,
switching it to black will actually burn the battery quicker.

-- Steve


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