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Sat, 27 Jun 2026 22:43:51 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:977e:876b:dc75:9723]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-139eac62642sm15662523c88.10.2026.06.27.22.43.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Jun 2026 22:43:50 -0700 (PDT) Date: Sat, 27 Jun 2026 22:43:48 -0700 From: Dmitry Torokhov To: David Heidelberg Cc: linux-input@vger.kernel.org, Linux Next Mailing List Subject: Re: [regression] synaptics-rmi4: Failed to read the Control Register Descriptor: EIO Message-ID: References: <916192e4-7d2c-4463-8576-3cfe9e36faa2@ixit.cz> 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=us-ascii Content-Disposition: inline In-Reply-To: <916192e4-7d2c-4463-8576-3cfe9e36faa2@ixit.cz> On Sat, Jun 27, 2026 at 12:06:29PM +0200, David Heidelberg wrote: > On 26/06/2026 23:18, Dmitry Torokhov wrote: > > Hi David, > > > > On Fri, Jun 26, 2026 at 11:09:54PM +0200, David Heidelberg wrote: > > > With next-20260626 without any additional patches, the synaptics fails on > > > OnePlus 6T with: > > > > > > ``` > > > [ 16.620292] rmi4_i2c 12-0020: registering I2C-connected sensor > > > [ 16.857617] rmi4_f01 rmi4-00.fn01: found RMI device, manufacturer: > > > Synaptics, product: S3706B, fw id: 2852315 > > > [ 16.867324] rmi4_f12 rmi4-00.fn12: Failed to read the Control Register > > > Descriptor: -5 > > > [ 16.867338] rmi4_f12 rmi4-00.fn12: probe with driver rmi4_f12 failed with > > > error -5 > > > ``` > > > > Yes, at least a98518e72439 "Input: rmi4 - fix register descriptor address > > calculation" is wrong and needs to be reverted. > > That did it for me, now the TS works again. Thank you for letting me know. -- Dmitry