From patchwork Sun May 29 04:01:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagath Jog J X-Patchwork-Id: 12864119 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61A5CC433FE for ; Sun, 29 May 2022 04:02:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230319AbiE2ECC (ORCPT ); Sun, 29 May 2022 00:02:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48146 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230314AbiE2ECB (ORCPT ); Sun, 29 May 2022 00:02:01 -0400 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A9D86CF43; Sat, 28 May 2022 21:02:00 -0700 (PDT) Received: by mail-pl1-x630.google.com with SMTP id d22so7513665plr.9; Sat, 28 May 2022 21:02:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Y5OMjkdRzs/CGT1kO2TrDbN9xYtVWPVC57jAXxj10Ls=; b=D8P4g633DpMmM5UKEu1F7ep+ri2CM3tVdmcZbjcRyBY+9S02YICt/23TbFXsGCi51L in1mSRSfjRnzWyVe6zfzuXyGZf0vYwcsYLeBmmtkwWzcw1xDmeyJ7dUFa2qveCe9NbfZ zybQGh0DJAdDYD/K2e0llJ1x9BBRbKqENVjetpgZl82QKDjZAJfDvddYUjWAajsW7Sma Lhi6w3XB+CN69F3e6UjGZI9gz1nASkk1O3GH6P9MqtSZz74PTKd4WyUVlAhCsycKYseF lAXg4X57xX/VhZby2SVtXnxN45tIk+k7xjKqfwM/tisKvrTIvUNG7z6vetCS1AGndWJp 5Fyg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Y5OMjkdRzs/CGT1kO2TrDbN9xYtVWPVC57jAXxj10Ls=; b=uCyzO8rwTVkmIziRwf7VEYMyyF9j3ZpXUVqfjfgE0w0XKPI+Fr8YNNCn8iDthBgeu1 OdvEzaQP+hyn3FYfbgvnzkuszS412Gd5FErn1mP9JGTRRgcMcvKVhZ2MsvhVSWT4uquV tvi7aT7gqhtqJOGggCM34NVuJLKH0zutzSBaPnbkZCiVHRbsL9AgQoJmE4roNjLu6/0w 0afWqQpA6JvB00WKC/gwTAQAzo7HBK/SoT+/gtlYc+P+hLU+0ZcngpJI8XGfSF7aXA/w JrQhNPuBXbljuohxsZPVvPSsZxfWsluWOyEen0HKovhWi12Gbqi0VlOK/sSzIO3lhdJ2 qmZQ== X-Gm-Message-State: AOAM531+ZT84R/a88S9VvHTm3fKyfXavZ7yLqbtJT2ydvYmcl+tkXGXs ITCMm1pDjadd65ay5O9v71M+uvMVF7I= X-Google-Smtp-Source: ABdhPJzWuMrkahZjdXcuXAn1RvpEUQf3En5T2SGg/AusWIaH2l3/s53NVUOMRnnO4UfCjYvNVajKhQ== X-Received: by 2002:a17:902:ec8a:b0:161:7ca5:eced with SMTP id x10-20020a170902ec8a00b001617ca5ecedmr50577514plg.17.1653796919724; Sat, 28 May 2022 21:01:59 -0700 (PDT) Received: from localhost.localdomain ([115.99.139.145]) by smtp.gmail.com with ESMTPSA id z7-20020a634c07000000b003fbfe88be17sm377581pga.24.2022.05.28.21.01.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 May 2022 21:01:59 -0700 (PDT) From: Jagath Jog J To: jic23@kernel.org, andy.shevchenko@gmail.com Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC 1/2] iio: Add new event type gesture and use direction for single and double tap Date: Sun, 29 May 2022 09:31:52 +0530 Message-Id: <20220529040153.4878-2-jagathjog1996@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220529040153.4878-1-jagathjog1996@gmail.com> References: <20220529040153.4878-1-jagathjog1996@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add new event type for tap called gesture and the direction can be used to differentiate single and double tap. This may be used by accelerometer sensors to express single and double tap events. For directional tap, modifiers like IIO_MOD_(X/Y/Z) can be used along with singletap and doubletap direction. Signed-off-by: Jagath Jog J --- Documentation/ABI/testing/sysfs-bus-iio | 19 +++++++++++++++++++ drivers/iio/industrialio-event.c | 5 ++++- include/uapi/linux/iio/types.h | 3 +++ tools/iio/iio_event_monitor.c | 8 +++++++- 4 files changed, 33 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 3e00d7f7ee22..2d4866203ccf 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -2035,3 +2035,22 @@ Description: Available range for the forced calibration value, expressed as: - a range specified as "[min step max]" + +What: /sys/.../events/in_accel_gesture_singletap_en +What: /sys/.../events/in_accel_gesture_doubletap_en +KernelVersion: 5.19 +Contact: linux-iio@vger.kernel.org +Description: + Accelerometer device detects single or double taps and generate + events when threshold for minimum tap amplitide passes. + E.g. a single tap event is generated when acceleration value + crosses the minimum tap amplitude value set. Where tap threshold + value is set by using in_accel_gesture_singletap_value. + +What: /sys/.../events/in_accel_gesture_singletap_value +What: /sys/.../events/in_accel_gesture_doubletap_value +KernelVersion: 5.19 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the threshold value that the device is comparing + against to generate the tap gesture event. diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index b5e059e15b0a..22d59eb0a8a2 100644 --- a/drivers/iio/industrialio-event.c +++ b/drivers/iio/industrialio-event.c @@ -231,12 +231,15 @@ static const char * const iio_ev_type_text[] = { [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive", [IIO_EV_TYPE_CHANGE] = "change", [IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced", + [IIO_EV_TYPE_GESTURE] = "gesture", }; static const char * const iio_ev_dir_text[] = { [IIO_EV_DIR_EITHER] = "either", [IIO_EV_DIR_RISING] = "rising", - [IIO_EV_DIR_FALLING] = "falling" + [IIO_EV_DIR_FALLING] = "falling", + [IIO_EV_DIR_SINGLETAP] = "singletap", + [IIO_EV_DIR_DOUBLETAP] = "doubletap", }; static const char * const iio_ev_info_text[] = { diff --git a/include/uapi/linux/iio/types.h b/include/uapi/linux/iio/types.h index 472cead10d8d..913864221ac4 100644 --- a/include/uapi/linux/iio/types.h +++ b/include/uapi/linux/iio/types.h @@ -105,6 +105,7 @@ enum iio_event_type { IIO_EV_TYPE_MAG_ADAPTIVE, IIO_EV_TYPE_CHANGE, IIO_EV_TYPE_MAG_REFERENCED, + IIO_EV_TYPE_GESTURE, }; enum iio_event_direction { @@ -112,6 +113,8 @@ enum iio_event_direction { IIO_EV_DIR_RISING, IIO_EV_DIR_FALLING, IIO_EV_DIR_NONE, + IIO_EV_DIR_SINGLETAP, + IIO_EV_DIR_DOUBLETAP, }; #endif /* _UAPI_IIO_TYPES_H_ */ diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c index 2f4581658859..b3b3ea399f67 100644 --- a/tools/iio/iio_event_monitor.c +++ b/tools/iio/iio_event_monitor.c @@ -69,12 +69,15 @@ static const char * const iio_ev_type_text[] = { [IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive", [IIO_EV_TYPE_CHANGE] = "change", [IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced", + [IIO_EV_TYPE_GESTURE] = "gesture", }; static const char * const iio_ev_dir_text[] = { [IIO_EV_DIR_EITHER] = "either", [IIO_EV_DIR_RISING] = "rising", - [IIO_EV_DIR_FALLING] = "falling" + [IIO_EV_DIR_FALLING] = "falling", + [IIO_EV_DIR_SINGLETAP] = "singletap", + [IIO_EV_DIR_DOUBLETAP] = "doubletap", }; static const char * const iio_modifier_names[] = { @@ -227,6 +230,7 @@ static bool event_is_known(struct iio_event_data *event) case IIO_EV_TYPE_THRESH_ADAPTIVE: case IIO_EV_TYPE_MAG_ADAPTIVE: case IIO_EV_TYPE_CHANGE: + case IIO_EV_TYPE_GESTURE: break; default: return false; @@ -236,6 +240,8 @@ static bool event_is_known(struct iio_event_data *event) case IIO_EV_DIR_EITHER: case IIO_EV_DIR_RISING: case IIO_EV_DIR_FALLING: + case IIO_EV_DIR_SINGLETAP: + case IIO_EV_DIR_DOUBLETAP: case IIO_EV_DIR_NONE: break; default: