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[82.192.244.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b041800e89esm1837245366b.30.2025.09.07.08.10.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Sep 2025 08:10:25 -0700 (PDT) Sender: Salvatore Bonaccorso Received: by eldamar.lan (Postfix, from userid 1000) id 4DBCCBE2EE7; Sun, 07 Sep 2025 17:10:24 +0200 (CEST) Date: Sun, 7 Sep 2025 17:10:24 +0200 From: Salvatore Bonaccorso To: Zhang Heng , Jiri Kosina , Staffan Melin Cc: 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: [regression] 1a8953f4f774 ("HID: Add IGNORE quirk for SMARTLINKTECHNOLOGY") causes issue with ID 4c4a:4155 Jieli Technology USB Composite Device Message-ID: 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 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