Re: [lm-sensors] [PATCH] Support for DS75 thermal sensor

[Jean Delvare <khali@linux-fr.org>]

On Tue, 08 Jul 2008 15:09:32 +0200, Wolfgang Grandegger wrote:
> Jean Delvare wrote:
> > On Tue, 08 Jul 2008 11:22:36 +0200, Wolfgang Grandegger wrote:
> >> The existing driver for the LM75 is unable to identify a compatible DS75 
> >> device properly. This patch from
> >>
> >> http://lists.lm-sensors.org/pipermail/lm-sensors/2007-February/018838.html 
> >>
> >> does fix the problem and I wonder why it did not make it into the kernel yet.
> > 
> > Because meanwhile the lm75 driver was converted to a new-style
> > i2c driver, with support for the DS75:
> > 
> > http://lm-sensors.org/kernel?p=kernel/mhoffman/hwmon-2.6.git;a=commit;hê6db11742de63324f29d1383122657cabe90940
> > 
> > This will presumably go in kernel 2.6.27-rc1.
> 
> Ah, thanks for the info. Unfortunately, this new driver does not work 
> with the DS75 on our custom board. THe identification fails, because 
> it's as in the old lm75.c driver (and not like Alan suggested).

There's no "detection" involved for the new-style i2c devices.
Presumably you are still using the old binding model, not taking
benefit of the patch at all. Use i2c_register_board_info() to
instantiate your "ds75" i2c device from you board's platform code, and
it should work.

-- 
Jean Delvare

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