From: sashiko-bot@kernel.org
To: "Matt Layher" <mdlayher@gmail.com>
Cc: linux-hwmon@vger.kernel.org
Subject: Re: [PATCH] hwmon: (asus-ec-sensors) add CPU_Opt fan for ROG STRIX X570-E GAMING
Date: Sun, 04 Oct 2026 14:32:41 +0000 [thread overview]
Message-ID: <20261004143241.B3DB91F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20261004-asus-ec-x570e-cpu-opt-v1-1-d9ea371c30d5@gmail.com>
> From: Matt Layher <mdlayher@gmail.com>
>
> Enable the CPU_Opt fan sensor for ROG STRIX X570-E GAMING.
>
> The board has a CPU_OPT fan header, and its UEFI hardware monitor shows a
> fan connected to it spinning at about 2000 RPM, but the driver does not
> expose the sensor and the board's NCT6798D does not report it either.
>
> Reading the EC directly through ec_sys on this board (BIOS 4408), the
> CPU_Opt register used by the rest of the AMD 500 series family (bank 0,
> 0xb0) returns 0x0580, 1408 RPM under the operating system's fan curve,
> while the chipset fan register at 0xb4 returns 0, matching what the
> driver already reports for that fan.
>
> Assisted-by: LLM sparse
> Signed-off-by: Matt Layher <mdlayher@gmail.com>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261004-asus-ec-x570e-cpu-opt-v1-1-d9ea371c30d5@gmail.com?part=1
next prev parent reply other threads:[~2026-10-04 14:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-04 14:26 [PATCH] hwmon: (asus-ec-sensors) add CPU_Opt fan for ROG STRIX X570-E GAMING Matt Layher via B4 Relay
2026-10-04 14:26 ` Matt Layher
2026-10-04 14:32 ` sashiko-bot [this message]
2026-10-06 11:48 ` Eugene Shalygin
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