S3Graphics Savage4 i2c driver

phil at netroedge.com phil at netroedge.com
Wed Oct 31 18:53:25 CET 2001


It's possible that a device on the bus is hanging when probed/dumped.
In that case, it might not be possible to solve.  How similar to
i2c-voodoo3 is it?  Can it be rolled into it?


Phil

On Wed, Oct 31, 2001 at 09:08:24AM -0500, Mark Studebaker wrote:
> sure, we'll take it.
> You should get i2cdump working first.
> 
> If you are using i2c-algo-bit, you can use
> modprobe i2c-algo-bit bit_test=1 debug=2 (IIRC - check the source)
>  to help debug things
> 
> mds
> 
> 
> 
> Alexander Wold wrote:
> > 
> > Hello,
> > 
> > I have recently created an i2c driver for the Savage4. It is based upon
> > the i2c-voodoo3 driver. The main motivation was to get access to the
> > bt868 connected to S3Savge4`s i2c bus. If this driver is of general
> > interest, I will be happy to submit it to the project. The driver is
> > complete, and working. There are some issues thow, i2cdump hangs the
> > bus, and after starting X, writes to the i2c bus don`t work. When
> > reloading/loading the module in X (or while x is running) it works fine.
> > 
> > Regards,
> >     Alexander Wold

-- 
Philip Edelbrock -- IS Manager -- Edge Design, Corvallis, OR
   phil at netroedge.com -- http://www.netroedge.com/~phil
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