From: khali@linux-fr.org (Jean Delvare)
To: lm-sensors@vger.kernel.org
Subject: lm_sensors 2.8.1 test - LM75
Date: Thu, 19 May 2005 06:24:20 +0000 [thread overview]
Message-ID: <20031007221943.7fb37987.khali@linux-fr.org> (raw)
In-Reply-To: <200310071335.53958.lamar@synque.com>
> I also seem to have a useless LM75:
>
> lm75-i2c-1-4e
> Adapter: SMBus AMD75x adapter at 06e0
> Algorithm: Non-I2C SMBus adapter
> temp: +0.0?C (limit = +0.0?C, hysteresis = +0.0?C)
Most likely it isn't a LM75. That old chip is hard to detect, and
"empty" I2C devices (value 0 in all registers) will be detected as
LM75s, providing they are at an acceptable address. So I think you can
safely ignore it.
If you are curious, you can try dumping the chips content using the
following command: "i2cdump 1 0x4e", and try again later to see if
something has changed. However, I'd expect it to be full of 0s forever.
I could change our detection code in sensors-detect to lower confidence
to minimum in that case. BTW, which confidence level did sensors-detect
claimed for you?
--
Jean Delvare
http://www.ensicaen.ismra.fr/~delvare/
prev parent reply other threads:[~2005-05-19 6:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-19 6:24 lm_sensors 2.8.1 test - LM75 Lamar Willis
2005-05-19 6:24 ` Jean Delvare [this message]
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