Re: [PATCH 3/4] hwmon: (dell-smm) Add support for automatic fan mode

[Guenter Roeck]

On Wed, Sep 17, 2025 at 08:10:35PM +0200, Armin Wolf wrote:
> Many machines treat fan state 3 as some sort of automatic mode,
> which is superior to the separate SMM calls for switching to
> automatic fan mode for two reasons:
> 
> - the fan control mode can be controlled for each fan separately
> - the current fan control mode can be retrieved from the BIOS
> 
> On some machines however, this special fan state does not exist.
> Fan state 3 acts like a regular fan state on such machines or
> does not exist at all. Such machines usually use separate SMM calls
> for enabling/disabling automatic fan control.
> 
> Add support for it. If the machine supports separate SMM calls
> for changing the fan control mode, then the other interface is
> ignored.
> 
> Signed-off-by: Armin Wolf <W_Armin@xxxxxx>

Applied.

Guenter