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Wed, 25 Mar 2026 09:08:27 -0700 (PDT) Received: from google.com ([2a00:79e0:2ebe:8:b7b4:352d:eb23:66e5]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-12aa6e5b9d9sm194018c88.3.2026.03.25.09.08.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 Mar 2026 09:08:26 -0700 (PDT) Date: Wed, 25 Mar 2026 09:08:23 -0700 From: Dmitry Torokhov To: Val Packett Cc: Hans de Goede , Henrik Rydberg , Stanislav Zaikin , linux-input@vger.kernel.org, phone-devel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Input: goodix-berlin: report a resolution of 10 units/mm Message-ID: References: <20260321073242.556253-1-val@packett.cool> 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: <20260321073242.556253-1-val@packett.cool> On Sat, Mar 21, 2026 at 04:30:07AM -0300, Val Packett wrote: > Without a reported resolution, userspace was assuming 1 unit/mm which > is wildly wrong: a regular smartphone is clearly not 2.4 meters tall. > Most applications do not care much for this kind of raw mm value, > but Phosh's on-screen keyboard would accidentally trigger swipe-to-close > gestures due to misinterpreting small movements as huge ones. > > Do what the older goodix.c driver does and set the resolution to 10 > units/mm to make sure the numbers calculated by userspace are reasonable. > > Signed-off-by: Val Packett Applied, thank you. -- Dmitry