[lm-sensors] "Dummy" sensor driver?

Ian Pilcher arequipeno at gmail.com
Mon Oct 12 23:43:25 CEST 2009


On 10/12/2009 03:52 PM, Jean Delvare wrote:
> We have a dummy i2c adapter driver, named i2c-stub (written by Mark M.
> Hoffman originally.) You can emulate up to 10 chips on it, supporting
> the basic SMBus transactions most I2C-based hwmon devices use. So, if
> you have a register dump from such a device, you can emulate it on any
> machine. I do that all the times when working on hwmon drivers for
> hardware I don't have.

Perfect!

> For example this works very well with the lm90 driver. If you want
> dumps from lm90-compatible chips, just let me know and I'll send them
> to you. This should also works reasonably well with most National
> Semiconductor and Analog Device chips. Just Winbond chips don't work
> well because they use banks and i2c-stub doesn't have support for that.

Please do send them.  My desktop system has a Winbond chip, so a dump
from it presumably wouldn't do any good.

> I wrote a helper script, which is in recent versions of the i2c-tools
> package, to load dumps to i2c-stub automatically (named
> i2c-stub-from-dump).

Thanks!

-- 
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Ian Pilcher                                         arequipeno at gmail.com
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