Messages in this thread | | | Date | Tue, 13 Jul 2004 23:11:38 -0700 | From | Greg KH <> | Subject | Re: Backlight and LCD module patches [1] |
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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,
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