Re: [PATCH] i2c: virtual i2c adapter support.

[Rodolfo Giometti <giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org>]

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On Sun, Jun 22, 2008 at 11:15:14AM +0200, Peter Korsgaard wrote:
> >>>>> "Rodolfo" == Rodolfo Giometti <giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org> writes:
> 
>  >> It would be nice to be able to use the i2c-virtual stuff for it.
> 
>  Rodolfo> Mmm... I suppose is not so easy as we wish since there are several
>  Rodolfo> references to the i2c parent struct into the code.
> 
> That's not the problem, the struct i2c_client is. The i2c-virtual
> stuff doesn't do anything with it, it simply forwards it to the
> select/deselect callbacks - So changing it to a void *data shouldn't
> really be a problem.
> 
> You don't derive the parent i2c bus from the i2c_client.

Ok, but what do you suggest to put in "struct i2c_adapter *parent"?

>  Rodolfo> I suppose you can get better result if you define your i2c
>  Rodolfo> multiplexer as a dummy i2c device. The you can force it to
>  Rodolfo> be connected with a real i2c parent by using the
>  Rodolfo> i2c_register_board_info() function.
> 
>  Rodolfo> What do you think about this solution? :)
> 
> Sorry, I don't see what the problem is?

Maybe if you provide a littke code I may understand exactly what you
mean. ;)

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail: giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org
Linux Device Driver                          giometti-k2GhghHVRtY@public.gmane.org
Embedded Systems                     phone:  +39 349 2432127
UNIX programming                     skype:  rodolfo.giometti

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