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Fri, 06 Nov 2026 23:48:30 -0800 (PST) Received: from eggarch ([2409:40c4:100c:32b8:cdcf:1840:88f5:4e8]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b1058a80a1sm2495542a91.12.2026.11.06.23.48.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 Nov 2026 23:48:29 -0800 (PST) Date: Sat, 7 Nov 2026 13:18:23 +0530 From: Lovekesh Solanki To: Jakariya Abbas Cc: dmitry.torokhov@gmail.com, linux-input@vger.kernel.org Subject: Re: [PATCH] Input: synaptics - Add LEN205b entry to smbus_pnp_ids for ThinkPad T490 Message-ID: References: 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=us-ascii Content-Disposition: inline In-Reply-To: Hi Jakariya, On Sat, Nov 07, 2026 at 12:16:29PM +0600, Jakariya Abbas wrote: > Hi Lovekesh and Dmitry, > > I have a ThinkPad T490 with the same Synaptics TM3471-020 touchpad > (LEN205B, firmware ID 3972349). > After the SMBus/RMI4 support was added, I noticed that touchpad > movement and scrolling work, but physical clicking and tapping become > extremely unreliable. A click registers only after several attempts. Could you verify again whether this bug is really there, on mainline? Because same issue was reported a week ago but then reporter said they were unable to reproduce it. ...For some reason I can't find their mail on lore here's the link to thread anyways. https://lore.kernel.org/all/audS8Nb1wnifhCpr@eggarch/T/#u Regards, Lovekesh