Mackbook pro nvidia based video backlight

[Alexander Leidinger]

Quoting Ed Schouten <ed at 80386.nl> (from Wed, 28 Jan 2009 14:43:09 +0100):

> * Daniel Lannstrom <op at trekdanne.se> wrote:
>> > I'm asking which method will be the best to interface the driver with
>> > userland applications?
>>
>> You might want to make it a character device driver. And write a small
>> userland control program. Sysctl isn't really made for this kind of
>> functionality.
>
> No. sysctl is good for doing stuff like this. An even better approach

So you want that either
  - a daemon running as root is written which listens to user
    requests to set the backlight via sysctl
or
  - a SUID root program is written that sets the backlight
    via sysctl
instead of
  - a character device with appropriate filesystem permissions
    which allows to not go the SUID root or daemon running as
    root way
?

Bye,
Alexander.

-- 
E.T. GO HOME!!!  (And take your Smurfs with you.)

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