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[82.192.244.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b07d09e5414sm218564466b.18.2025.09.13.01.53.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Sep 2025 01:53:50 -0700 (PDT) Sender: Salvatore Bonaccorso Received: by eldamar.lan (Postfix, from userid 1000) id E9A76BE2DE0; Sat, 13 Sep 2025 10:53:49 +0200 (CEST) Date: Sat, 13 Sep 2025 10:53:49 +0200 From: Salvatore Bonaccorso To: Staffan Melin Cc: zhangheng , Jiri Kosina , Benjamin Tissoires , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev, stable@vger.kernel.org, 1114557@bugs.debian.org Subject: Re: [regression] 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") causes issue with ID 4c4a:4155 Jieli Technology USB Composite Device Message-ID: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Staffan, chiming in hopefully it is of help. 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. But ideally you can provide a Tested-by on zhangheng's mainline patch to get things rolling as needed. Regards, Salvatore