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Fri, 13 Nov 2026 03:22:43 -0800 (PST) Received: from localhost ([154.21.93.22]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1b50313d8f5sm11023797c88.3.2026.11.13.03.22.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Nov 2026 03:22:42 -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 1/1] Input: trackpoint - Add new TP JYT_NDT device variant id 7 Date: Fri, 13 Nov 2026 19:22:02 +0800 Message-ID: <20261113112202.10304-2-yaoyuan@linux.alibaba.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261113112202.10304-1-yaoyuan@linux.alibaba.com> References: <20261113112202.10304-1-yaoyuan@linux.alibaba.com> 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. 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 Signed-off-by: Yuan Yao --- drivers/input/mouse/trackpoint.c | 2 ++ drivers/input/mouse/trackpoint.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c index 3bd8fdf56cd3..2dde8cc5cab1 100644 --- a/drivers/input/mouse/trackpoint.c +++ b/drivers/input/mouse/trackpoint.c @@ -25,6 +25,7 @@ static const char * const trackpoint_variants[] = { [TP_VARIANT_NXP] = "NXP", [TP_VARIANT_JYT_SYNAPTICS] = "JYT_Synaptics", [TP_VARIANT_SYNAPTICS] = "Synaptics", + [TP_VARIANT_JYT_NDT] = "JYT_NDT" }; /* @@ -285,6 +286,7 @@ static int trackpoint_start_protocol(struct psmouse *psmouse, case TP_VARIANT_ELAN: case TP_VARIANT_NXP: case TP_VARIANT_JYT_SYNAPTICS: + case TP_VARIANT_JYT_NDT: case TP_VARIANT_SYNAPTICS: if (variant_id) *variant_id = param[0]; diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h index 3e03cdb39449..2aa76311e400 100644 --- a/drivers/input/mouse/trackpoint.h +++ b/drivers/input/mouse/trackpoint.h @@ -30,6 +30,7 @@ #define TP_VARIANT_NXP 0x04 #define TP_VARIANT_JYT_SYNAPTICS 0x05 #define TP_VARIANT_SYNAPTICS 0x06 +#define TP_VARIANT_JYT_NDT 0x07 /* * Commands -- 2.56.0