Driver for vt8231

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Aaron, thanks for the port. I tried the vt8231
port on a VIA EPIA 5000 and your sensors.conf
running 2.6.8 (Debian) with the following output:

t8231-isa-6000
Adapter: ISA adapter
VCore1:    +0.30 V  (min =  -0.05 V, max =  +0.39 V)
+5V:       +0.23 V  (min =  -0.08 V, max =  +0.56 V)
+12V:      +1.10 V  (min =  -0.18 V, max =  +1.34 V)
fan1:        0 RPM  (min =    0 RPM, div = 2)
fan2:        0 RPM  (min =    0 RPM, div = 2)
ERROR: Can't get TEMP2 data!
Proc Temp:  -0.8 C  (high =    -1 C, hyst =    -1 C)
vid:       +2.05 V


The 5000 doesn't have fans, so fan1 and fan2 are
good.  The other values look a little weird, but
I haven't really found any usefuleness for VIA's
sensors anyway.  (Proc Temp doesn't seem to change
even when running CPU benchmarks for extended
periods of time).

Overall, your port of vt8231 looks to be at least
as good as the support in 2.4, so I would support
adding it to the 2.6 drivers.  (I'm not sure how
that is accomplished)

Thanks,
Jerry



--- Aaron Marsh <amarsh at freeshell.org> wrote:

> 
> Starting with a couple of leads posted on this list,
> I've put together a
> working driver for the vt8231.  I've only been able
> to test it against my
> EPIA800 board, with the following output from
> 'sensors' under 2.8.7:
> 
> vt8231-isa-6000
> Adapter: ISA adapter
> VCore1:    +3.47 V  (min =  -0.05 V, max =  +4.42 V)
>   
> +5V:       +3.26 V  (min =  -0.08 V, max =  +6.31 V)
>   
> +12V:     +12.56 V  (min =  -0.18 V, max = +15.00 V)
>   
> fan1:     3971 RPM  (min =    0 RPM, div = 2)       
>   
> fan2:     6425 RPM  (min =    0 RPM, div = 2)       
>   
> ERROR: Can't get TEMP2 data!
> Proc Temp: +16.3 C  (high =  +276 C, hyst =    -1 C)
>   
> vid:       +2.05 V
> 
> 
> I know this isn't quite right, but it matches the
> output from lm_sensors-2.8.7
> under 2.4.27 (specifically the VCore as 3.3v not 5.v
> and the TEMP2 error).  
> 
> I'm not entirely confident in the ability to _input_
> to the driver, that's
> next on my tasklist.  
> 
> 
> 
> In any case, the patch against kernel 2.6.8.1 is at:
> 
>
http://www.stanford.edu/~amarsh/vt8231/linux-2.6.8.1-vt8231.patch
> 
> A patch against lm_sensors-2.8.7 is at:
> 
>
http://www.stanford.edu/~amarsh/vt8231/lm_sensors-2.8.7-vt8231.patch
> 
> And a copy of my sensors.conf is at:
> 
> http://www.stanford.edu/~amarsh/vt8231/sensors.conf
> 
> 
> One additional side note.  I originally wrote the
> driver to use the VID sys
> file 'cpu0_vid' then rolled it back to use the
> current 'in0_ref.'  I'd happily
> change back to cpu0_vid if that's the way the wind's
> blowing.
> 
> 
> I'm afraid I'm new to contributing to projects of
> this size.  Please let me
> know what else I can do to get this driver in the
> mainstream. 
> 
> Thank you,
> 
> Aaron Marsh
> 
> -- 
> amarsh at sdf.lonestar.org
> SDF Public Access UNIX System -
> http://sdf.lonestar.org
> 
> 



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