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Fri, 13 Nov 2026 03:22:38 -0800 (PST) Received: from localhost ([154.21.93.22]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b50313d990sm8374244c88.4.2026.11.13.03.22.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 03:22:37 -0800 (PST) From: Yuan Yao X-Google-Original-From: Yuan Yao To: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= , Dmitry Torokhov , Vishnu Sankar Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Yuan Yao , Yuan Yao , =?UTF-8?q?Jingle=20Wu=20=E5=90=B3=E9=87=91=E5=9C=8B?= Subject: [PATCH v2 0/1] Input/trackpoint: Add new JYT_NDT device variant id 7 Date: Fri, 13 Nov 2026 19:22:01 +0800 Message-ID: <20261113112202.10304-1-yaoyuan@linux.alibaba.com> X-Mailer: git-send-email 2.56.0 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The new trackpoint variant id 7 is found on Lenovo Thinkpad X14 Gen1 laptop(Product Name: 21XMA006CD), it belongs to JYT_NDT with confirmation from Vishnu Sankar in Lenovo. Now it's incorrectly probed as Generic or Logitech PS/2 mouse. Add the variant id 7 to match the TP_READ_ID command return value, probe the device as trackpoint correctly. I tested the sensitivity/middle button lock/rate/resolution setting, the trackpoint works well in daily usage and when resume form system sleeping, no issue is found in my last weeks usage. BEFORE: input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input63 AFTER: psmouse serio1: trackpoint: JYT_NDT TrackPoint firmware: 0xa1, buttons: 3/3 input: TPPS/2 JYT_NDT TrackPoint as /devices/platform/i8042/serio1/input/input8 The patch is rebased to 7.4-rc1. Changes from v1: 1. Change to correct vendor name JYT_NDT, with many thanks to Dmitry Torokhov, Jingle Wu, Vishnu Sankar for helping on identify the real vendor of this device. v1: https://lore.kernel.org/all/20261102130836.11863-1-yaoyuan0329os@gmail.com/ Yuan Yao (1): Input: trackpoint - Add new TP JYT_NDT device variant id 7 drivers/input/mouse/trackpoint.c | 2 ++ drivers/input/mouse/trackpoint.h | 1 + 2 files changed, 3 insertions(+) base-commit: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4 -- 2.56.0