Re: Backlight and LCD module patches [1]

[Greg KH <greg@kroah.com>]

On Sun, Jun 27, 2004 at 12:21:52AM +0400, Andrew Zabolotny wrote:
> On Thu, 24 Jun 2004 14:34:52 -0700
> Greg KH <greg@kroah.com> wrote:
> 
> > How about just having every l/b driver containing a pointer to the
> > fbinfo that it is associated with?  Isn't there some way you can keep
> > the pointer that you need around within the place that you need to use
> > it from eventually?
> It's not a question of b/l driver needing the framebuffer driver; it's the
> other way around: the framebuffer driver needs the b/l drivers (needs so
> much that it can fail initialization in some cases if it doesn't find the
> corresponding b/l device).

Ok, then put a pointer in the fb driver to the backlight.
And a pointer in the backlight to the fb.  What's wrong with that?

> If you'll ask why not embed the b/l controls directly into the framebuffer
> drivers, the reason is simple: some video controllers just don't have a
> predefined way of controlling the b/l, so in every implementation it's
> different.

Just do it for the ones that you do know, what's wrong with that?

thanks,

greg k-h