On Wed, Jan 7, 2009 at 8:29 AM, Momesso Andrea <[email protected]> wrote:
> I'd like to make the file /sys/class/backlight/asus-laptop/brightness
> writeable for users, so that I don't need to be root anymore to change
> the brightness.
>
> Of course I can chown or chmod ot in local.start but I'm asking if there
> is a cleaner way.

I guess you need to use udevinfo to get the important information
about /sys/class/backlight/asus-laptop/brightness and then write up a
rule, slap it into a file in /etc/udev/rules.d/ and enjoy your new
permissions. :) I don't have that device on my system so I can't
really suggest anything more specific.

Here's a udev rules HOWTO that might help:

http://www.reactivated.net/writing_udev_rules.html

(specifically "Controlling permissions and ownership")

Good luck :)
Paul

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