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Thu, 12 Nov 2026 04:45:40 -0800 (PST) Received: from localhost ([154.21.93.22]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-37520bf3e18sm55246175eec.16.2026.11.12.04.45.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Nov 2026 04:45:39 -0800 (PST) Date: Thu, 12 Nov 2026 20:45:36 +0800 From: Yao Yuan To: Vishnu Sankar Cc: Dmitry Torokhov , Jingle Wu =?utf-8?B?5ZCz6YeR5ZyL?= , Ilpo =?utf-8?B?SsOkcnZpbmVu?= , "linux-input@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Phoenix Huang =?utf-8?B?6buD5LiW6bWs?= , Stanley Chen =?utf-8?B?6Zmz5bu657at?= , Vishnu Sankar Subject: Re: [PATCH 1/1] Input: trackpoint - Add new ELAN trackpoint device variant id 7 Message-ID: References: <20261102130836.11863-1-yaoyuan0329os@gmail.com> <20261102130836.11863-2-yaoyuan0329os@gmail.com> X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Thu, Nov 12, 2026 at 04:14:35PM +0900, Vishnu Sankar wrote: > Hi Dimitry, Jingle, Yuan, > > On Thu, Nov 12, 2026 at 2:33 PM Dmitry Torokhov > wrote: > > > > Hi Jingle, > > > > On Thu, Nov 12, 2026 at 05:26:46AM +0000, Jingle Wu 吳金國 wrote: > > > Hi Yao: > > > > > > Upon inquiry, it was confirmed that a black TrackPoint stick (0x07) > > > underneath the red TrackPoint cap corresponds to a vendor that is > > > compatible with the Windows ELAN driver. > > > > Are you at liberty to share the vendor name? Or should we mark it as > > "Elan" or "Elan-compatible"? > > Sorry to jump in; this is Vishnu from Lenovo. > I have now confirmed with the component owner and supplier that the > TrackPoint reporting variant ID `0x07` and firmware revision `0xA1` > are made by JYT/NDT, not ELAN. The physical check also identified the > corresponding button/stick as white. It uses the same ELAN driver for > Windows but has different FW. > > Therefore, the patch should recognize `0x07` as the JYT/NDT variant > rather than naming it as an ELAN variant. > > Can name it something like [TP_VARIANT_JYT_NDT] = "JYT_NDT" > or something like that. Ah thank you! Now with yours and Jingle Wu's info the things become clear now! I will respin v2 w/ TP_VARIANT_JYT_NDT to 0x7 and "JYT_NTD" if no more object. > > > > Thanks. > > > > -- > > Dmitry > > -- > > Regards, > > Vishnu Sankar