Re: Backlight and LCD module patches [2]

[Greg KH <greg@kroah.com>]

On Sun, Jul 25, 2004 at 04:59:17PM -0500, John Lenz wrote:
> The problem I see is that we would like something like a bus to match  
> together class devices.  What would be really nice is something like  
> this.
> 
> struct class_match {
>  struct class *class1;
>  struct class *class2;
> 
>  int (*match)(struct class_device *dev1, struct class_device *dev2);
> };
> 
> This class match structure would be very similar to a bus, in that it  
> matches together two classes instead of matching a device to a driver.   
> All the class code would have to do is call the match function for all  
> possible combinations of class devices in class1 and in class2.  If  
> match returned true, then it would create symbolic links between the  
> two.

Care to provide a proposed implementation of this functionality?

thanks,

greg k-h