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[209.132.180.67]) by mx.google.com with ESMTP id h96si21507526plb.281.2019.05.21.06.31.04; Tue, 21 May 2019 06:31:20 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728406AbfEUN2G (ORCPT + 99 others); Tue, 21 May 2019 09:28:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47276 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728232AbfEUN2F (ORCPT ); Tue, 21 May 2019 09:28:05 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 19C933082B1F; Tue, 21 May 2019 13:28:05 +0000 (UTC) Received: from plouf.redhat.com (ovpn-116-49.ams2.redhat.com [10.36.116.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id 210A261983; Tue, 21 May 2019 13:27:57 +0000 (UTC) From: Benjamin Tissoires To: Dmitry Torokhov , KT Liao , Rob Herring , Aaron Ma , Hans de Goede Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Benjamin Tissoires Subject: [PATCH v2 08/10] Input: elan_i2c - export true width/height Date: Tue, 21 May 2019 15:27:10 +0200 Message-Id: <20190521132712.2818-9-benjamin.tissoires@redhat.com> In-Reply-To: <20190521132712.2818-1-benjamin.tissoires@redhat.com> References: <20190521132712.2818-1-benjamin.tissoires@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Tue, 21 May 2019 13:28:05 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The width/height is actually in the same unit than X and Y. So we should not tamper the data, but just set the proper resolution, so that userspace can correctly detect which touch is a palm or a finger. Signed-off-by: Benjamin Tissoires -- new in v2 --- drivers/input/mouse/elan_i2c_core.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 7ff044c6cd11..6f4feedb7765 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -45,7 +45,6 @@ #define DRIVER_NAME "elan_i2c" #define ELAN_VENDOR_ID 0x04f3 #define ETP_MAX_PRESSURE 255 -#define ETP_FWIDTH_REDUCE 90 #define ETP_FINGER_WIDTH 15 #define ETP_RETRY_COUNT 3 @@ -915,12 +914,8 @@ static void elan_report_contact(struct elan_tp_data *data, return; } - /* - * To avoid treating large finger as palm, let's reduce the - * width x and y per trace. - */ - area_x = mk_x * (data->width_x - ETP_FWIDTH_REDUCE); - area_y = mk_y * (data->width_y - ETP_FWIDTH_REDUCE); + area_x = mk_x * data->width_x; + area_y = mk_y * data->width_y; major = max(area_x, area_y); minor = min(area_x, area_y); @@ -1123,8 +1118,10 @@ static int elan_setup_input_device(struct elan_tp_data *data) ETP_MAX_PRESSURE, 0, 0); input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, ETP_FINGER_WIDTH * max_width, 0, 0); + input_abs_set_res(input, ABS_MT_TOUCH_MAJOR, data->x_res); input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, ETP_FINGER_WIDTH * min_width, 0, 0); + input_abs_set_res(input, ABS_MT_TOUCH_MINOR, data->y_res); data->input = input; -- 2.21.0