From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f176.google.com (mail-pf1-f176.google.com [209.85.210.176]) (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 D7A452D792; Thu, 28 Mar 2024 17:52:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.176 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711648331; cv=none; b=Mt8elujLByMgdGBYUxifRD6UhLEAtgxZd5Q1tj7tzrzg6l8Divjp+ZU0RZOSsHqYiqoaS8ZgeFusc5Qwfeu1V1gc/78knoC2jqmS9aUGSmb6jXzAN3AkHEhhsKhwcZBl+BCPOuIxXsZvGuKG+iPH81jlgAW22sItALerLpGu5Sk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711648331; c=relaxed/simple; bh=+Ca5qoB6abbwq94BOat1CPhCCY8h1Y191rzETEJ7zgw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=H5D7SOig5McHGrV0Rn63r2UZDjztKvMdjzYP8dIj6gPEWUYsOGYEsHtrrHI6aqsKOb5e6KjDGv6aMr6YyI/RajC8Pkrf3Z33QIzi6mC4/w390kHb5GYk4EsCmKA11lCtSRgcosO55ckeMBvVnHrPh8oeh6xCWwdsdXt+2kSyc5w= 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=k1DNL4FE; arc=none smtp.client-ip=209.85.210.176 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="k1DNL4FE" Received: by mail-pf1-f176.google.com with SMTP id d2e1a72fcca58-6ea838bf357so1110732b3a.0; Thu, 28 Mar 2024 10:52:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1711648329; x=1712253129; 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=LGayx7O9Q31q05Nt0uhu4ViYlgHgf9Z3LztihitVGcQ=; b=k1DNL4FEcjk8LhAiHgkYh8R846+//bGW6Lq1sEpsmLhC8mYgx9EREVKGkOnlph5w+J psUEMCgf/tOTLcGVIX+dPgE+ObtrITFn3trS4LdqXssNzj43Q4fbQw75+cZzx2+1lzCC qDwAe0FObcruDDlVheiYUIYWLiVfriNRg4w5FVoppDA8JbxLVNOb80rgbL0DsYf7wA53 djohQFKt1ibnRkg25okKLxE2wDFmn2SQ40j/gw/7qY3d/MhPAnvE30INjC4B9aNgpXSu gCZu41aUY2y2pT7ucM1cB+WeYASALQsceVFRIlk/NQIuEDrvqSzLUJwPoo97bYrNepPd EGFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1711648329; x=1712253129; 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=LGayx7O9Q31q05Nt0uhu4ViYlgHgf9Z3LztihitVGcQ=; b=TaoYfjJT1rhtZwtnbb3mu+yX+27874i8LPAaI96Kv3VAUAVt1/vDjpVW4e/uXbhF+m 2WGRbYKeAL1AXAUq8b0QZvVGafEh3EDLsAwgPkmXlSQN0O9U85YkkuXPUVTItLB9sre6 BIgOuG1afQ+20vYcFlJfRswU3vUr342gUEYzZJBdbuNhup2aiQW1tv2aZwRD8iTCLusd zlz/gJ/zRRrL78nEO3w6XvyA3NDQtVBsDyiT7ouRSUnJMZXNAP2GllutYt3051GNJmj8 0iY04HCsUtjHxpdq7SeeJHPWshZ1G4r2AQJ62a9aM2dMvOgnd7uImRklCzai96d2VcuE nQdA== X-Forwarded-Encrypted: i=1; AJvYcCUCnCr9XQh/f78g9J9rHZ/H1xxcrk82t2gI0JT+bo9ICp/lRWnDi5amHKH5xo5P8DA4qfrlMlRhGi7e+oyL5s/hv+AfRqQ5UzpfiZve X-Gm-Message-State: AOJu0YyC8KDzSijPmI2smAu6nibDXKKT86lXXztlcy6yKinml8AGjWpe 8NzI7OD7FcWBu9uEbESw20NDTbELid+HDCrExfZWQmB5ngvNRcZZ X-Google-Smtp-Source: AGHT+IGnWA1lvzTheAjnKpDpk6BGTn4H+I8IAYW3WJYvGODV8ZPRe5o0F3hO52Y+4Y3dpl0ZSShvVA== X-Received: by 2002:a05:6a21:191:b0:1a3:e2d1:7c5d with SMTP id le17-20020a056a21019100b001a3e2d17c5dmr4509520pzb.6.1711648328923; Thu, 28 Mar 2024 10:52:08 -0700 (PDT) Received: from google.com ([2620:15c:9d:2:493e:82a3:49f9:d88]) by smtp.gmail.com with ESMTPSA id h6-20020a056a00230600b006e580678dfbsm1637713pfh.193.2024.03.28.10.52.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Mar 2024 10:52:08 -0700 (PDT) Date: Thu, 28 Mar 2024 10:52:06 -0700 From: Dmitry Torokhov To: Frieder Hannenheim 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> 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