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: <94520aac-2a68-40d2-b188-80f9e361d6de@kylinos.cn>
Date: Mon, 15 Sep 2025 16:37:29 +0800
From: zhangheng <zhangheng@...inos.cn>
To: Staffan Melin <staffan.melin@...illator.se>,
 Salvatore Bonaccorso <carnil@...ian.org>
Cc: 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

Apply this new patch and test the kernel again. I don't have the 
original mic device in my hands, which means I have to wait for a 
response for testing now.

You can test it first, and the other mic device also needs to be retested

在 2025/9/13 21:11, Staffan Melin 写道:
> Ah, thanks, I get it now :)
>
> So I got 6.16.7, and the patch applied without problems.
>
> But no luck, the same results as before: touchscreen not working, 
> xinput --list not showing the Jieli touchscreen. dmesg shows the same 
> as before, too.
>
> Best regards,
>
> Staffan
>
>
> On 2025-09-13 10:55, Salvatore Bonaccorso wrote:
>> Hi Staffan,
>>
>> chiming in hopefully it is of help.
>>
>> Now really with the patch ...
>>
>> On Fri, Sep 12, 2025 at 09:57:04PM +0200, Staffan Melin wrote:
>>> 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?
>>
>> As the deveopment goes from mainline then down to stable series, the
>> fix needs to be developed first for mainline. So the patch is targeted
>> there.
>>
>> But please find attached an updated patch which hopefully should work
>> which resolved the context changes on top of 6.12.47.
>>
>> But ideally you can provide a Tested-by on zhangheng's mainline patch
>> to get things rolling as needed.
>>
>> Regards,
>> Salvatore
View attachment "v2-0001-HID-quirks-Add-device-descriptor-for-4c4a-4155.patch" of type "text/plain" (2178 bytes)