linux-kernel - Re: [PATCH v3 0/4] platform/x86: acer-wmi: Add fan control support

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Message-ID: <5048620.31r3eYUQgx@cacher>
Date: Fri, 17 Oct 2025 00:23:19 +0700
From: Fa-Iz Faadhillah Ibrahim <faiz.faadhillah@...il.com>
To: jlee@...e.com, basak.sb2006@...il.com, rayanmargham4@...il.com,
 Armin Wolf <W_Armin@....de>
Cc: kuurtb@...il.com, ilpo.jarvinen@...ux.intel.com,
 platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/4] platform/x86: acer-wmi: Add fan control support

On Thursday, October 16, 2025 2:25 AM Armin Wolf wrote:
> This patch series aims to add fan control support to the acer-wmi
> driver. The patches are compile-tested only and need to be tested
> on real hardware to verify that they actually work.
> 
> I CCed three users who requested support for this feature. I would be
> very happy if one of you could test those patches and report back.
> 
> Changes since v2:
> - get rid of nested bit masks
> 
> Changes since v1:
> - remove unnecessary blank line
> 
> Changes since RFC v2:
> - improve error handling when setting fan behavior
> - Add Reviewed-by tags
> - whitelist PHN16-72
> 
> Changes since RFC v1:
> - remove duplicate include and replace hwmon_pwm_mode with
>   hwmon_pwm_enable in second patch
> 
> Armin Wolf (4):
>   platform/x86: acer-wmi: Fix setting of fan behavior
>   platform/x86: acer-wmi: Add fan control support
>   platform/x86: acer-wmi: Enable fan control for PH16-72 and PT14-51
>   platform/x86: acer-wmi: Add support for PHN16-72
> 
>  drivers/platform/x86/acer-wmi.c | 292 +++++++++++++++++++++++++++++---
>  1 file changed, 269 insertions(+), 23 deletions(-)
Hello,

I've tested the patch on my PHN16-72, this time the fan control for CPU fan 
works just fine, but GPU fan control doesn't work anymore. no logs observed on 
dmesg while changing the speed of either fan.

Thanks,
Fa-Iz Faadhillah Ibrahim