I2C with bus muxes

[Kumar Gala]

On Jul 20, 2006, at 10:16 AM, Ben Warren wrote:

> Hello,
>
> Has anyone implemented devices like the Philips PCA954x I2C bus muxes
> under the /sysfs device model?  I have some optical transponders on my
> board that through the wisdom of some committee all have the same  
> fixed
> I2C address.  To get around this, we put them behind muxes, creating
> 'virtual' I2C busses.  I imagine this could be modeled something like
> the USB hub model, but that's just a first stab.

I'm pretty sure I submitted a set of patches for this upstream.   
However there was some desire to hold off until some other changes.

http://marc.theaimsgroup.com/?l=linux-kernel&m=114376108231285&w=2
http://marc.theaimsgroup.com/?t=114316214100001&r=1&w=2

- kumar