Re: LM90 driver and ti tmp461 detection

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On Thu, Dec 17, 2015 at 12:48:08PM +0100, Jean Delvare wrote:
> Hi Andreas,
> On Tue, 15 Dec 2015 16:11:24 +0100, Andreas Werner wrote:
> > here is the register dump of the tmp461.
> Thanks.
> > It seemse that we really cannot detect if it is a tmp461 or a tmp451.
> > Also the magic "ID Register" offset 0xff is 0x00 for both devices.
> I would use register 0x16, which doesn't exist but reads 0x00 on the
> TMP451. It could in theory also read 0x00 on the TMP461 but only if
> both channels are disabled, which makes little sense. More likely at
> least one channel will be enabled so you'll have value 0x01-0x03 if
> this is a TMP461.
Excellent idea!


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