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: <e81e8d68cb33c7de7b0e353791e21e53@oscillator.se>
Date: Fri, 12 Sep 2025 21:57:04 +0200
From: Staffan Melin <staffan.melin@...illator.se>
To: zhangheng <zhangheng@...inos.cn>
Cc: Salvatore Bonaccorso <carnil@...ian.org>, Jiri Kosina
 <jkosina@...e.com>, 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

Thank you,

I tried to apply this patch to 6.12.39, the first problematic kernel, as 
well as 6.12.41, the first bad I tried, and on both I got an error 
message:

Applying: HID: quirks: Add device descriptor for 4c4a:4155
error: patch failed: drivers/hid/hid-quirks.c:1068
error: drivers/hid/hid-quirks.c: patch does not apply
Patch failed at 0001 HID: quirks: Add device descriptor for 4c4a:4155

To which kernel version should I apply the patch?

I used the command
git am < <file>

Best regards,

Staffan


On 2025-09-12 14:49, zhangheng wrote:
> 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