[lm-sensors] Support for SMBus based GMT G781 and G7811 temperature sensors.

Guenter Roeck guenter.roeck at ericsson.com
Mon Jan 23 00:02:44 CET 2012


On Sun, Jan 22, 2012 at 04:11:36PM -0500, Guenter Roeck wrote:
> On Sun, Jan 22, 2012 at 01:43:08PM -0500, Mike Gorchak wrote:
> > Hi All,
> >  
> > I've recently found that lm-sensors doesn't have support for Global Mixed-mode
> > Technology Inc. (GMT) G781 and G7811 temperature sensors.
> >  
> > Overview datasheets are available on manufacturer's site: http://www.gmt.com.tw
> > / , registers datasheet is available here: www.datasheetcatalog.org/datasheets2
> > /35/350422_1.pdf
> >  
> > It seems that this device is registers compatible with ADM1032. SMBus
> > manufacturer id 0x47, device ids 0x01 and 0x03.
> >  
> Should be safe to add support to the lm90 driver. Jean, any thoughts/comments ?
> 
> I seem to be unable to find a datasheet for G7811, though. We would need that to know
> its I2C bus address, and for the correct device id (0x03 ?).
> 
Hi Mike,

never mind; no idea if G7811 ever really existed. I found version 1.3 of the datasheet which
describes both G781 and G781-1. Can you test the driver and sensors-detect if I send you
a pointer to the code ?

Thanks,
Guenter




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