From patchwork Sat Aug 13 07:18:02 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: 12942695 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 C9839C25B0F for ; Sat, 13 Aug 2022 07:18:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238463AbiHMHSN (ORCPT ); Sat, 13 Aug 2022 03:18:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238278AbiHMHSM (ORCPT ); Sat, 13 Aug 2022 03:18:12 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24BD85FAE8; Sat, 13 Aug 2022 00:18:11 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id ha11so2818904pjb.2; Sat, 13 Aug 2022 00:18:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=references:in-reply-to:message-id:date:subject:cc:to:from:from:to :cc; bh=H+v//CJowdz+BeeZeTamwKu68BJkRamvRrjN3I5wJKE=; b=Ov+K7HzbazKkgOypRfaJTuYRPsQyfBmM2EvIsznIY+ydO47FBS1BFQlFR7+WfOtvyo SBM4vvXbTitgX6o4uNp6HOr3DQvwgB4h1mJzgMnXRVUXqRzdGgdFx+OQ/zKBHgpXakpq EV6Sp87fYO2qlyF4izY2k0zdv11LyIxgGVkiNzqGUbICV8S83PUOK7bQvmZw/EWNrb79 oefNF86zvjSEU+mwf0OZT6f0zYyLR6Xx1xhMjoYKf/fqhN19dzPYO8wmp+xPiLb/PALg 6n8sJXXVRJm4whlB9+gV0ybJVmB7wFMG2lZGLjkHLReJ2qqpSDsc2aSSH1ZclbFzMh/E Ypbg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=references:in-reply-to:message-id:date:subject:cc:to:from :x-gm-message-state:from:to:cc; bh=H+v//CJowdz+BeeZeTamwKu68BJkRamvRrjN3I5wJKE=; b=dxtgD3I0O5G4IOae/AsIKbzN7lI48FISz8mMS521u2tjSTpw6WKHLMIQPHi3PSzof2 MZgl11rMmujq9LY0vvxveKoLLHUjTOUt8DUz3xHBOs3GJU3DE6RXKY7ExIy6Viw1BQ+c KhOMmT6oaTSdQnNhfHamf56BVzbB59pWtK/RIqECSCKYBqbmhWWOuESkzKqnb2JetdKb ghu9AH1wmE0BQ7yUrSxc5EcDa3PsPanrPMImfzBnJl9P+9q8b/7Nl80q7UemlKyzWt2S gggra+pd7A96Okf5rlHNte6vqdgo07+eUkR6ciLeIDsAeR61eSAP2RB7nXrV2207DgwZ bDBA== X-Gm-Message-State: ACgBeo1GvQUX0mzwVRK0MlBHpWxc2pVvTr1UbONQgx04GQFcB8mr4XY8 V8ADrsqRlcTMqDV8iml/6Oo= X-Google-Smtp-Source: AA6agR4k1BISR9GkpXkWK0ggharXt+sBmdb6n5FPKgvVS5IPKeuaIzh4LOhuZdD1S7ILEBajaLiLzQ== X-Received: by 2002:a17:903:28f:b0:16e:e00e:31ba with SMTP id j15-20020a170903028f00b0016ee00e31bamr7580947plr.154.1660375090593; Sat, 13 Aug 2022 00:18:10 -0700 (PDT) Received: from localhost.localdomain ([115.99.250.21]) by smtp.gmail.com with ESMTPSA id r12-20020a6560cc000000b0041975999455sm2423001pgv.75.2022.08.13.00.18.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Aug 2022 00:18:10 -0700 (PDT) From: Jagath Jog J To: jic23@kernel.org, andy.shevchenko@gmail.com, hadess@hadess.net, hdegoede@redhat.com Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/2] iio: Add new event type gesture and use direction for single and double tap Date: Sat, 13 Aug 2022 12:48:02 +0530 Message-Id: <20220813071803.4692-2-jagathjog1996@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220813071803.4692-1-jagathjog1996@gmail.com> References: <20220813071803.4692-1-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 | 41 +++++++++++++++++++++++++ drivers/iio/industrialio-event.c | 7 ++++- include/linux/iio/types.h | 2 ++ include/uapi/linux/iio/types.h | 3 ++ tools/iio/iio_event_monitor.c | 8 ++++- 5 files changed, 59 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index e81ba6f5e1c8..54cb925f714c 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -2038,3 +2038,44 @@ 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: 5.21 +Contact: linux-iio@vger.kernel.org +Description: + Device generates an event on a single or double tap. + +What: /sys/.../events/in_accel_gesture_singletap_value +What: /sys/.../events/in_accel_gesture_doubletap_value +KernelVersion: 5.21 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the threshold value that the device is comparing + against to generate the tap gesture event. Units and exact + meaning of value are device specific. + +What: /sys/.../events/in_accel_gesture_singletap_reset_timeout +What: /sys/.../events/in_accel_gesture_doubletap_reset_timeout +KernelVersion: 5.21 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the timeout value in seconds for the tap detector + to not to look for another tap event after the event as + occoured. Basically the minimum quiet time between the two + single-tap's or two double-tap's. + +What: /sys/.../events/in_accel_gesture_doubletap_tap_2min_delay +KernelVersion: 5.21 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the minimum quiet time in seconds between the two + taps of a double tap. + +What: /sys/.../events/in_accel_gesture_maxtomin_time +KernelVersion: 5.21 +Contact: linux-iio@vger.kernel.org +Description: + Specifies the maximum time difference allowed between upper + and lower peak of tap to consider it as the valid tap event. + Units in seconds. diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c index b5e059e15b0a..b63be2a4ac02 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[] = { @@ -247,6 +250,8 @@ static const char * const iio_ev_info_text[] = { [IIO_EV_INFO_HIGH_PASS_FILTER_3DB] = "high_pass_filter_3db", [IIO_EV_INFO_LOW_PASS_FILTER_3DB] = "low_pass_filter_3db", [IIO_EV_INFO_TIMEOUT] = "timeout", + [IIO_EV_INFO_RESET_TIMEOUT] = "reset_timeout", + [IIO_EV_INFO_TAP_2MIN_DELAY] = "tap_2min_delay", }; static enum iio_event_direction iio_ev_attr_dir(struct iio_dev_attr *attr) diff --git a/include/linux/iio/types.h b/include/linux/iio/types.h index a7aa91f3a8dc..e33069d6a3d8 100644 --- a/include/linux/iio/types.h +++ b/include/linux/iio/types.h @@ -17,6 +17,8 @@ enum iio_event_info { IIO_EV_INFO_HIGH_PASS_FILTER_3DB, IIO_EV_INFO_LOW_PASS_FILTER_3DB, IIO_EV_INFO_TIMEOUT, + IIO_EV_INFO_RESET_TIMEOUT, + IIO_EV_INFO_TAP_2MIN_DELAY, }; #define IIO_VAL_INT 1 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: