Re: [PATCH 1/5] hwmon: (cros_ec) Implement custom kelvin to celsius conversions

Guenter Roeck <[email protected]>
Newsgroups dev.linux.lists.chrome-platform,org.kernel.vger.linux-hwmon,org.kernel.vger.linux-kernel
Message-ID <[email protected]> 
On Fri, May 29, 2026 at 10:31:52PM +0200, Thomas Weißschuh wrote:
> The ChromeOS EC APIs use integers representing degrees kelvin for
> temperatures. The default conversions from linux/units.h will then
> always convert these integer degrees celsius with a 150 millidegree
> offset. This is a bit confusing, as it also differs from other CrOS EC
> tooling. Internally the EC uses a kelvin to celsius offset of a round
> 273, so the current conversion is also not entirely accurate.
> 
> Implement a custom conversion which preserves round values.
> 
> Signed-off-by: Thomas Weißschuh <[email protected]>

Applied.

Thanks,
Guenter
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