From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64FE240852; Thu, 28 Mar 2024 17:53:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.173 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711648432; cv=none; b=EjQ61KdV3SEcI+I0ANmaLYFYVVgm2RLdclW1HqvmA1A7URsNJ/vVvJLbg6UHhRPQeEkO3HphuDi5rkFq8obqcJXKiJAz/vcHnQb1WkHaG4fv0fu+scpVmCUNp0KtVRX3M18xJTxAg3S6lwXrpvc22FwVxi9D/PgqTYwHWNIqM8M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711648432; c=relaxed/simple; bh=5Zvbq6SSDLSVgY2hx7xF+iMbXVGMa05lQvv15AxbGv0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GaAct6qGBCz06lmCm8gtwqwUUn5pOUHTw35ErktgvqzPVJNiVVlyurB6EWUw+Ck47v0b1phKtPhO0yQV8+d8Y0RW3kZRzfskKU1sCytfsaNCOLdT5ycJKOfbx8X1r22kvR0FrRMO0GrHlHieZQCPigQfdJAIknZ+do8aXTxdj4U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Aq54SIwT; arc=none smtp.client-ip=209.85.214.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Aq54SIwT" Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-1def3340682so11900135ad.1; Thu, 28 Mar 2024 10:53:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711648431; x=1712253231; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=PkvuiONoAPmS4J3DvPiNOVFVt8Zrpei3L6fZbSR1vK4=; b=Aq54SIwTTpKDAz0q7MLrOSCO9fesCJQpFLRMmM+qjW/+64IBA4k16SWlN6+ws+PL/n hJugovN5RwK5KEKEc6S3sBWwqkXZneJlMCx1sS4MSsPxeNNyITz+skaJNaAhwB519djc Q8khK/tdz1CMFJc3rGgbuu/49hznw8ZDD2P+l1prUgeKFfvkjXSRgpJC1kD7/mLfyjcc lbeoVCQGdbFs+4q4fSAoJFIy4lewzmeFpLo0aCSqCpsdJh1xeYIKG1VTQsPHs2e9Nb6r QP4Ur0VH4T+JL9ohlWVzkG6iIb7jJDnjqjbIuyK5ypisgCMHSQObLV9TXtlsT1wQ9uLX Gaow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711648431; x=1712253231; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=PkvuiONoAPmS4J3DvPiNOVFVt8Zrpei3L6fZbSR1vK4=; b=YSUYsHYbXcBFfQ3vj3Q8+STMp08XdykutZ4CniMjvTMjCn5AQq6jsqSjuSGdDnZLD1 Rbov0g76DiV12PVrcJab4g1w2hmueh0l+G8zw1e8qiepSfg5TFHXJyTRYbqy0vuVyJTo 42XIEv10zuYiUGpZ7mUJNjgik2FaiAML7CtBNaueptD/CpYBEAQwhSO3qjKGLA4HSQPT a3ar70o5iwW2XWCMb1LPR5HDOBlBGnIPM5Dv69uRJli0vGb0uTaLVZK4yPtzxVHYIPwK u/djr/lUfZEfV2zJDNAYWgyuVxJjxsn91nj52Crr1a4YBAdlIIFXx6mNKdNgt21ozxDP 8R6Q== X-Forwarded-Encrypted: i=1; AJvYcCWJfWXsDu3D6CQX3ONDzYj8C51LOd3bM6u9Nexv5Ar/c7gkh2xmDWfukuM/OzX5qybxKlkygHJzK2unm/jCD81sa8ibyG4ToLpAnLGC X-Gm-Message-State: AOJu0YwIgVHyqBwCJIAcOSQotixY3ItrCr/EJXOcRc29K/sSy9PxLLop zXnv0lt3vrrpUMH+1k+iXKa+I9kPA7GtW7Aii6HrOLzomtwQrOTeMcOYxT1C X-Google-Smtp-Source: AGHT+IF/w2JF7Yg+0NBSCWcyatQGo5LuV/VN7nZPG/h/MqUyETB1iCFlW9dVc8z7gEgzhLOX+SGD9g== X-Received: by 2002:a17:902:eacb:b0:1e2:1027:d0d1 with SMTP id p11-20020a170902eacb00b001e21027d0d1mr156929pld.39.1711648430490; Thu, 28 Mar 2024 10:53:50 -0700 (PDT) Received: from google.com ([2620:15c:9d:2:493e:82a3:49f9:d88]) by smtp.gmail.com with ESMTPSA id n14-20020a170902e54e00b001e0f2dc4165sm1897906plf.60.2024.03.28.10.53.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Mar 2024 10:53:50 -0700 (PDT) Date: Thu, 28 Mar 2024 10:53:47 -0700 From: Dmitry Torokhov To: Frieder Hannenheim , Marge Yang Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] input/touchscreen: synaptics_tcm_oncell: add driver Message-ID: References: <20240327214643.7055-1-friederhannenheim@riseup.net> Precedence: bulk X-Mailing-List: linux-kernel@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: <20240327214643.7055-1-friederhannenheim@riseup.net> [ now CCing for real ] Hi Frieder, On Wed, Mar 27, 2024 at 10:39:12PM +0100, Frieder Hannenheim wrote: > This is a bit of a stripped down and partially reworked driver for the > synaptics_tcm_oncell touchscreen. I based my work off the driver in the > LineageOS kernel found at > https://github.com/LineageOS/android_kernel_oneplus_sm8250 branch > lineage-20. The code was originally written by OnePlus developers but > I'm not sure how to credit them correctly. So the first question is: does this device not use Synaptics RMI4 protocol? I am CCing Marge Yang of Synaptics who may shed some light on the kind of touch controller this is. Thanks. -- Dmitry