From patchwork Mon May 27 16:19:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Middelschulte, Leif" X-Patchwork-Id: 1105898 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=klsmartin.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45CMdh0spYz9s5c for ; Tue, 28 May 2019 02:20:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726663AbfE0QUX (ORCPT ); Mon, 27 May 2019 12:20:23 -0400 Received: from ironport.klsmartin.com ([212.211.191.11]:28603 "EHLO ironport.klsmartin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725991AbfE0QUX (ORCPT ); Mon, 27 May 2019 12:20:23 -0400 X-IronPort-AV: E=Sophos;i="5.60,519,1549926000"; d="scan'208";a="1674797" Received: from unknown (HELO hera.klsmartin.com) ([172.30.5.66]) by ironport.klsmartin.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 27 May 2019 18:20:22 +0200 Received: from SUMMAIL01.UMK.KLS.zentral ([172.25.1.63]) by hera.klsmartin.com (8.14.3/8.13.1/SuSE Linux 0.7) with ESMTP id x4RGKFII003476; Mon, 27 May 2019 18:20:17 +0200 Received: from UML026.UMK.KLS.zentral (172.25.2.60) by SUMMAIL01.UMK.KLS.zentral (172.25.1.63) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 27 May 2019 18:20:17 +0200 From: Leif Middelschulte To: , CC: , , , Leif Middelschulte Subject: [PATCH 09/10] dt-bindings: input: touchscreen: stmpe: add tracking index Date: Mon, 27 May 2019 18:19:37 +0200 Message-ID: <20190527161938.31871-5-leif.middelschulte@klsmartin.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190527161938.31871-1-leif.middelschulte@klsmartin.com> References: <20190527160736.30569-1-leif.middelschulte@klsmartin.com> <20190527161938.31871-1-leif.middelschulte@klsmartin.com> MIME-Version: 1.0 X-Originating-IP: [172.25.2.60] X-KSE-ServerInfo: SUMMAIL01.UMK.KLS.zentral, 9 X-KSE-AttachmentFiltering-Interceptor-Info: protection disabled X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 27.05.2019 13:23:00 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The tracking index is a "minimum" distance two touch points need to have in order for the second to be valid. This adds the corresponding binding property documentation. Signed-off-by: Leif Middelschulte --- .../bindings/input/touchscreen/stmpe.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt index 09d2d4f288cc..8696af35a7b8 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt @@ -42,6 +42,21 @@ Optional properties: The given window also affects the value range (limits) set within the input subsystem which, in turn, affects the input resolution calculation on both axes. +- st,tracking-index : Minimal distance between the current touch position and the previous + touch position. If the distance is shorter than the tracking + index, it is discarded. The tracking is calculated by summation + of the horizontal and vertical movement. + If pressure reporting is enabled (X/Y/Z), an increase in pressure + override the movement tracking and report the new data set, even + if X/Y is within the previous tracking index. + 0 -> disabled + 1 -> 4 + 4 -> 8 + 3 -> 16 + 4 -> 32 + 5 -> 64 + 6 -> 92 + 7 -> 127 - touchscreen-inverted-x: X axis is inverted (boolean) - touchscreen-inverted-y: Y axis is inverted (boolean) - touchscreen-swapped-x-y: X and Y axis are swapped (boolean)