From: Guenter Roeck <linux@roeck-us.net>
To: Armin Wolf <W_Armin@gmx.de>
Cc: pali@kernel.org, linux-hwmon@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] hwmon: (dell-smm) Add support for automatic fan mode
Date: Wed, 24 Sep 2025 07:50:21 -0700 [thread overview]
Message-ID: <fe494bc6-1e4e-4a81-8a6a-c6fb95160a65@roeck-us.net> (raw)
In-Reply-To: <20250917181036.10972-4-W_Armin@gmx.de>
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@gmx.de>
Applied.
Guenter
next prev parent reply other threads:[~2025-09-24 14:50 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-17 18:10 [PATCH 0/4] " Armin Wolf
2025-09-17 18:10 ` [PATCH 1/4] hwmon: (dell-smm) Remove Dell Precision 490 custom config data Armin Wolf
2025-09-24 14:46 ` Guenter Roeck
2025-09-17 18:10 ` [PATCH 2/4] hwmon: (dell-smm) Move clamping of fan speed out of i8k_set_fan() Armin Wolf
2025-09-24 14:47 ` Guenter Roeck
2025-09-17 18:10 ` [PATCH 3/4] hwmon: (dell-smm) Add support for automatic fan mode Armin Wolf
2025-09-24 14:50 ` Guenter Roeck [this message]
2025-09-17 18:10 ` [PATCH 4/4] hwmon: (dell-smm) Add support for Dell OptiPlex 7040 Armin Wolf
2025-09-24 14:50 ` Guenter Roeck
2025-09-17 21:19 ` [PATCH 0/4] hwmon: (dell-smm) Add support for automatic fan mode Pali Rohár
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