Re: [PATCH v4] hwmon: Add fan monitoring support for HONOR FMI-XX

Guenter Roeck <[email protected]>
Newsgroups org.kernel.vger.linux-hwmon,org.kernel.vger.linux-kernel,org.kernel.vger.platform-driver-x86
Message-ID <[email protected]> 
On Sun, Aug 16, 2026 at 02:40:41AM +0300, Nikita Dubrovskih wrote:
> The HONOR FMI-XX firmware exposes a serialized \\GFNS ACPI method.
> It returns a status byte and a 16-bit fan speed in RPM for either of two
> firmware channels.
> 
> Add a DMI-restricted, read-only hwmon driver using that firmware
> interface. The driver deliberately exposes no fan control or direct
> Embedded Controller access.
> 
> The interface was validated on firmware 1.09 with fan channel 0
> reporting approximately 2500-2800 RPM. Channel 1 is readable and
> remained at 0 RPM during idle and a short CPU load.
> 
> Signed-off-by: Nikita Dubrovskih <[email protected]>

Queued for 7.4.

Thanks,
Guenter
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