From: sashiko-bot@kernel.org
To: "Bartu Alev" <bartualev@gmail.com>
Cc: linux-hwmon@vger.kernel.org
Subject: Re: [PATCH 6/7] platform/x86: asus-wmi: expose the fan floor tables via hwmon
Date: Sun, 01 Nov 2026 10:52:04 +0000 [thread overview]
Message-ID: <sashiko-outbox-192369@kernel.org> (raw)
In-Reply-To: <20261101-asus-fan-floors-v4-v1-6-b8d1c31a99a9@gmail.com>
> Firmware enforces minimum duties on fan curves without updating the
> reported curve buffers, leaving userspace unable to determine which
> duty ranges are unreachable.
>
> Export read-only pwm[1-3]_auto_point[1-8]_floor_pwm attributes on the
> hwmon device. Each file returns the minimum duty (0-255 PWM) enforced
> for that curve point. The attributes are registered for every
> supported fan curve and return -ENODATA when firmware provides no
> floor table.
>
> Standard hwmon curve attributes (pwmY_auto_pointZ_pwm) assume
> writable points and cannot represent a separate, hardware enforced
> floor. Dedicated read-only floor attributes provide these values
> while adhering to the one value per file rule.
>
> Document these attributes in
> Documentation/ABI/testing/sysfs-platform-asus-wmi.
>
> Signed-off-by: Bartu Alev <bartualev@gmail.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261101-asus-fan-floors-v4-v1-0-b8d1c31a99a9@gmail.com?part=6
next prev parent reply other threads:[~2026-11-01 10:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-01 10:46 [PATCH 0/7] platform/x86: asus-wmi: expose the firmware fan floor tables Bartu Alev
2026-11-01 10:46 ` [PATCH 1/7] platform/x86: asus-wmi: dump buffer replies in the debugfs dsts file Bartu Alev
2026-11-01 10:51 ` sashiko-bot
2026-11-01 10:46 ` [PATCH 2/7] Documentation: ABI: document the ASUS custom fan curve attributes Bartu Alev
2026-11-01 10:50 ` sashiko-bot
2026-11-01 10:46 ` [PATCH 3/7] platform/x86: asus-wmi: define the fan floor table DEVIDs Bartu Alev
2026-11-01 10:49 ` sashiko-bot
2026-11-01 10:46 ` [PATCH 4/7] platform/x86: asus-wmi: read the firmware fan floor tables Bartu Alev
2026-11-01 11:02 ` sashiko-bot
2026-11-01 10:46 ` [PATCH 5/7] platform/x86: asus-wmi: reject short fan curve replies Bartu Alev
2026-11-01 10:55 ` sashiko-bot
2026-11-01 10:46 ` [PATCH 6/7] platform/x86: asus-wmi: expose the fan floor tables via hwmon Bartu Alev
2026-11-01 10:52 ` sashiko-bot [this message]
2026-11-01 10:46 ` [PATCH 7/7] platform/x86: asus-wmi: show the effective duty for enabled curves Bartu Alev
2026-11-01 11:00 ` sashiko-bot
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