linux-kernel - Re: Kernel driver: W1 DALLAS’S 1-WIRE BUS invalid calculation

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Message-ID: <e6de22e4-93ae-1dd8-7589-df75d395c920@infradead.org>
Date:   Mon, 29 Nov 2021 16:16:18 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...tschek.de, linux-kernel@...r.kernel.org,
        Evgeniy Polyakov <zbr@...emap.net>
Subject: Re: Kernel driver: W1 DALLAS’S 1-WIRE BUS invalid calculation


On 11/29/21 11:26, K. wrote:
> Dear kernel-driver developers,
> 
> I believe there is a mistake in calculation of the fine part of the temperature value as received from 1-Wire DS18x20-family sensors.
> 
> The current implementation does indeed follow the official datasheet, but exactly the datasheet seems to be incorrect in this place.
> 
> Datasheet: https://datasheets.maximintegrated.com/en/ds/DS18S20.pdf
> says two different things on Page 6:
> 

[snip]

> For your info: I have contacted Evgeniy P. as an author of the driver, but according to the response, he is not maintaining the driver anymore. That's why a question to all of you, if anyone could take a look at this please.

Evgeniy, if this is correct, please send a patch to update the W1 entry in the MAINTAINERS file
to Orphan status.  (or at a minimum, reply and ask someone else to do that [e.g., me])

I don't have any idea who could take over as being the W1 maintainer.

Thanks.

-- 
~Randy