[i2c] i2c-sis96x Trouble

[Mark M. Hoffman]

Hi Jean, Daniel:

(Sorry, I somehow missed the original message.)

* Jean Delvare <khali at linux-fr.org> [2007-08-11 17:04:17 +0200]:
> Hi Daniel,
> 
> On Tue, 31 Jul 2007 22:23:39 -0400, Izad-Yar Daniel Rasheed wrote:
> > I recently tried to set up i2c so I could fully use the GNOME sensors
> > applet, but despite having i2c_core, i2c_dev, i2c_ec, and i2c_sis96x loaded
> > (I have a SiS 964 Southbridge; using Fedora 7, kernel 2.6.11), i2cdetect is
> > saying I don't have an i2c bus set up.
> 
> Fedora 7 with kernel 2.6.11? I'd be surprised. Don't you rather mean
> kernel 2.6.21?
> 
> > I see /dev/i2c0, /dev/i2c-0, /dev/i2c1 ... from 0 to 7.
> > 
> > Any ideas as to why i2c isn't seeing a bus despite loading the requisite i2c
> > modules? Help is greatly appreciated :)
> 
> Do you see anything in the logs when loading the i2c-sis96x driver? If
> i2cdetect doesn't see any bus, I'd guess that the driver failed to find
> or initialize it. You can simply check if /sys/class/i2c-adapter is
> empty or not.
> 
> > PS I also notice on the lm_sensors webpage that you're looking for people
> > with the SiS 964 Southbridge -- here I am! I'm willing to help but I'm not a
> > Linux master or anything.
> 
> Not sure who is interested. Mark?
> 
> As a side note, depending on your motherboard, you may or may not need
> to get your SMBus to work. Try sensors-detect, if you're lucky you have
> a Super-I/O with integrated sensors instead and it will work right away.

Believe it or not, the SiS 964 Southbridge is different from the other 96x.  It
would actually be easier to support it by modifying the i2c-sis630 driver.  If
there is anyone interested in doing that, let me know.  I'm not particularly
interested myself, sorry.

Regards,

-- 
Mark M. Hoffman
mhoffman at lightlink.com