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From: Marc Pignat <marc.pignat@hevs.ch>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] Output problem with adcxx  on at91
Date: Fri, 10 Aug 2012 06:46:20 +0000	[thread overview]
Message-ID: <5024AE3C.5050903@hevs.ch> (raw)
In-Reply-To: <5019526C.2030802@comconcepts.com>

Hi John,

(You asked me in private, but I prefer to respond on the mailing list).

This driver was working, I wrote (and tested it) in 2008 ;)
The hardware it was running on was a custom at91rm9200 based board with
a adc084s051.
The last time a checked it, it was on 2.6.28, and it was still working fine.

I just had a look to the adc128s052 datasheet, and it looks compatible
with this driver.

Guenter, the spi_write_then_read() function is really the good one.
In brief, the write selects the channel, then the read reads the data.

I think the problem you're facing is either in the spi driver or in the
hardware.


Best regards


Marc

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  parent reply	other threads:[~2012-08-10  6:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-01 15:59 [lm-sensors] Output problem with adcxx on at91 John Rippetoe
2012-08-01 16:52 ` Guenter Roeck
2012-08-01 20:12 ` John Rippetoe
2012-08-01 21:56 ` Guenter Roeck
2012-08-02  3:07 ` John
2012-08-10  6:46 ` Marc Pignat [this message]
2012-08-10 12:31 ` John Rippetoe
2012-08-10 13:12 ` John Rippetoe
2012-08-10 16:34 ` Guenter Roeck
2012-08-13  6:09 ` Marc Pignat

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