linux-kernel - Re: [regression] 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") causes issue with ID 4c4a:4155 Jieli Technology USB Composite Device

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Message-ID: <c8f3d402-e0ec-4767-b925-d7764aec3d93@kylinos.cn>
Date: Fri, 12 Sep 2025 20:49:07 +0800
From: zhangheng <zhangheng@...inos.cn>
To: Salvatore Bonaccorso <carnil@...ian.org>, Jiri Kosina <jkosina@...e.com>,
 Staffan Melin <staffan.melin@...illator.se>
Cc: Benjamin Tissoires <bentiss@...nel.org>, linux-input@...r.kernel.org,
 linux-kernel@...r.kernel.org, regressions@...ts.linux.dev,
 stable@...r.kernel.org, 1114557@...s.debian.org
Subject: Re: [regression] 1a8953f4f774 ("HID: Add IGNORE quirk for
 SMARTLINKTECHNOLOGY") causes issue with ID 4c4a:4155 Jieli Technology USB
 Composite Device

I am currently working on resolving this issue by limiting the original 
patch

based on the information in the device descriptor to avoid affecting 
your device,

You can try this patch and look forward to your reply.


在 2025/9/7 23:10, Salvatore Bonaccorso 写道:
> Hi Zhang, hi Jiri,
>
> In Debian Staffan Melin reported that after an update containing the
> commit 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY"),
> the input device with same idVendor and idProduct, the Jieli
> Technology USB Composite Device, does not get recognized anymore.
>
> The full Debian report is at: https://bugs.debian.org/1114557
>
> The issue is not specific to the 6.12.y series and confirmed in 6.16.3
> as well.
>
> Staffan Melin did bisect the kernels between 6.12.38 (which was still
> working) and 6.1.41 (which was not), confirming by bisection that the
> offending commit is
>
> 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY")
>
> #regzbot introduced: 1a8953f4f774
> #regzbot monitor: https://bugs.debian.org/1114557
>
> So it looks that the quirk applied is unfortunately affecting
> negatively as well Staffan Melin case.
>
> Can you have a look?
>
> Regards,
> Salvatore
View attachment "0001-HID-quirks-Add-device-descriptor-for-4c4a-4155.patch" of type "text/plain" (2175 bytes)