Re: Git backlight subsystem tree

James Simmons
2007-02-08T18:32:07Z

On Thu, 8 Feb 2007, Richard Purdie wrote:

> On Thu, 2007-02-08 at 15:28 +0000, James Simmons wrote:
> > I have some patches that move the backlight away from using the class
> > stuff. The only problem is the patch requires all backlight devices
> > to be linked to a real struct device. Right now the acpi backligths are
> > not.
>
> Why would you want to do that?
>
> The whole point of having this is so that backlights appear as a
> standard interface under /sys/class/backlight.
>
> An example of why standardised interfaces are good would be someone
> writing an applet for a handheld to control the backlight brightness.
> With the class in place, the applet can easily work with any backlight.
> Without it, it has to be written for each backlight.
>
> So this is a very strong NAK but I'm curious why you'd want to do it...

I CC Greg to explain. The backlight class didn't go away. The way it is
handled is different.