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Wed, 13 May 2026 14:27:48 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:e25b:b38f:c027:f0cb]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-302973bbd50sm515390eec.20.2026.05.13.14.27.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 14:27:48 -0700 (PDT) Date: Wed, 13 May 2026 14:27:44 -0700 From: Dmitry Torokhov To: contacto@bazaes.cl Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Input: synaptics - add LEN2058 to SMBus passlist for ThinkPad E490 Message-ID: References: <20260513045749.185969-1-contacto@bazaes.cl> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260513045749.185969-1-contacto@bazaes.cl> On Wed, May 13, 2026 at 12:57:44AM -0400, contacto@bazaes.cl wrote: > From: Nicolás Bazaes > > The Lenovo ThinkPad E490 (PNP ID: LEN2058) has a Synaptics TM3471-020 > touchpad that supports SMBus/RMI4 mode but is not listed in > smbus_pnp_ids[]. Without this entry, psmouse ignores the > synaptics_intertouch parameter and falls back to PS/2 mode even when > explicitly requested. > > Adding LEN2058 to the passlist enables RMI4 over SMBus, which provides > better multitouch support and matches the behavior of similar ThinkPad > models already in the list (E480/LEN2054, E580/LEN2055). > > Tested on ThinkPad E490 with kernel 7.0.5-zen1 and Arch Linux. > > Signed-off-by: Nicolás Bazaes > Assisted-by: Claude Thank you for the patch. From checkpatch.pl: WARNING: Assisted-by expects 'AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]' format Thanks. -- Dmitry