From patchwork Fri Apr 17 01:56:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Duson Lin X-Patchwork-Id: 6228211 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6D11C9F1AC for ; Fri, 17 Apr 2015 01:56:58 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 825AE2021A for ; Fri, 17 Apr 2015 01:56:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3211201C8 for ; Fri, 17 Apr 2015 01:56:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751434AbbDQB4h (ORCPT ); Thu, 16 Apr 2015 21:56:37 -0400 Received: from elanic.emc.com.tw ([192.72.220.188]:39469 "EHLO elanic.emc.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751160AbbDQB4h convert rfc822-to-8bit (ORCPT ); Thu, 16 Apr 2015 21:56:37 -0400 Received: from [192.168.33.24] (emcm129.emc.com.tw [192.72.220.129] (may be forged)) (authenticated bits=0) by elanic.emc.com.tw (8.13.8/8.13.8) with ESMTP id t3H1uRlu001551; Fri, 17 Apr 2015 09:56:28 +0800 From: duson Subject: [PATCH 6/6] Input: elan_i2c - Add hover detection flag Date: Fri, 17 Apr 2015 09:56:34 +0800 Message-Id: Cc: =?big5?B?tsClQMRQ?= To: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Torokhov Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2098\)) X-Mailer: Apple Mail (2.2098) Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When hover event coming, set ABS_MT_DISTANCE as 1, otherwise clear to 0. Signed-off-by: Duson Lin --- drivers/input/mouse/elan_i2c_core.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 6333ba6..da7893f 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -52,6 +52,7 @@ #define ETP_REPORT_ID_OFFSET 2 #define ETP_TOUCH_INFO_OFFSET 3 #define ETP_FINGER_DATA_OFFSET 4 +#define ETP_HOVER_INFO_OFFSET 30 #define ETP_MAX_REPORT_LEN 34 /* The main device structure */ @@ -725,7 +726,7 @@ static const struct attribute_group *elan_sysfs_groups[] = { */ static void elan_report_contact(struct elan_tp_data *data, int contact_num, bool contact_valid, - u8 *finger_data) + bool hover_event, u8 *finger_data) { struct input_dev *input = data->input; unsigned int pos_x, pos_y; @@ -769,7 +770,9 @@ static void elan_report_contact(struct elan_tp_data *data, input_mt_report_slot_state(input, MT_TOOL_FINGER, true); input_report_abs(input, ABS_MT_POSITION_X, pos_x); input_report_abs(input, ABS_MT_POSITION_Y, data->max_y - pos_y); - input_report_abs(input, ABS_MT_PRESSURE, scaled_pressure); + input_report_abs(input, ABS_MT_DISTANCE, hover_event); + input_report_abs(input, ABS_MT_PRESSURE, + hover_event ? 0 : scaled_pressure); input_report_abs(input, ABS_TOOL_WIDTH, mk_x); input_report_abs(input, ABS_MT_TOUCH_MAJOR, major); input_report_abs(input, ABS_MT_TOUCH_MINOR, minor); @@ -785,11 +788,14 @@ static void elan_report_absolute(struct elan_tp_data *data, u8 *packet) u8 *finger_data = &packet[ETP_FINGER_DATA_OFFSET]; int i; u8 tp_info = packet[ETP_TOUCH_INFO_OFFSET]; - bool contact_valid; + u8 hover_info = packet[ETP_HOVER_INFO_OFFSET]; + bool contact_valid, hover_event; + hover_event = hover_info & 0x40; for (i = 0; i < ETP_MAX_FINGERS; i++) { contact_valid = tp_info & (1U << (3 + i)); - elan_report_contact(data, i, contact_valid, finger_data); + elan_report_contact(data, i, contact_valid, hover_event, + finger_data); if (contact_valid) finger_data += ETP_FINGER_DATA_LEN; @@ -883,6 +889,7 @@ static int elan_setup_input_device(struct elan_tp_data *data) ETP_FINGER_WIDTH * max_width, 0, 0); input_set_abs_params(input, ABS_MT_TOUCH_MINOR, 0, ETP_FINGER_WIDTH * min_width, 0, 0); + input_set_abs_params(input, ABS_MT_DISTANCE, 0, 1, 0, 0); data->input = input;