Re: i2c Mux support for LTC4306 multiplexers

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On Wed, Sep 01, 2010 at 03:10:53PM -0700, Joe Ghalam wrote:
>    Hi,
>    I have been trying to include you i2c changes to bring in support for the
>    i2c muxes in my system. I'm using Linux 2.6.33.2 with an MPC8547E. There
>    are two IC2 buses hanging off the host processor. The 2nd I2C bus has 3
>    LT4306 multiplexers (4 ch per device).
> 
>    My current setup (without the i2c-mux) uses the buses/i2c-mpc.c to create
>    two adapters mapped to /dev/i2c-0 and /dev/i2c-1 (these devices are
>    services by an i2c proxy). I would like to move away from this setup by
>    using i2c-mux + mux specific drivers.
> 
>    I have ported your changes in my version of Linux as best as I could, and
>    I also used pca542x related files as templates to create support for
>    ltc4306. During the system boot up, as usual, I see two "MPC adapter"
>    adapters, 0 and 1, getting registered, and I also see my LTC4306 device
>    registered. But I haven't been able to change the i2c-mpc to probe the
>    already discovered buses for any muxes.

Maybe you should provide some code and/or debugging messages... I'm
sorry but I don't understand your problem.

Ciao,

Rodolfo

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