API to turn off the display

[Julian Elischer]

On Thu, 29 Jan 2004, Taku YAMAMOTO wrote:

> 
> I wrote a driver that handles what John told.
> 
> http://access.cent.saitama-u.ac.jp/~taku/freebsd/acpi_vid-20031013.tar.gz
> MD5 (acpi_vid-20031013.tar.gz) = adbfa6931e505544fb784e00c7b974e7
> 
> This driver uses ACPI video extension to control display switching and
> backlight brightness. So working ACPI is a requisition for this driver.
> 
> Whether it does or does not work depends heavily on how well the BIOS written,
> however, I hope it worth trying.
> 
> Suggestions, working/not-working reports etc are very appreciated.
> 
> Sincerely,

I'll try this tonight..  You are my hero :-)

now all we need is the ata code to shut down the drive it it is idle
for some timeout .. :-)