From patchwork Tue Jan 5 09:35:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 11998439 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 928C7C43332 for ; Tue, 5 Jan 2021 09:35:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B3B32255F for ; Tue, 5 Jan 2021 09:35:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728381AbhAEJfD (ORCPT ); Tue, 5 Jan 2021 04:35:03 -0500 Received: from mga17.intel.com ([192.55.52.151]:51525 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728304AbhAEJfB (ORCPT ); Tue, 5 Jan 2021 04:35:01 -0500 IronPort-SDR: pqsdM/7mqejmQpnLd/6GhATl/29sUsrh9ip6PzZLSCj08Lv+Zs7eogcxAgOw5ScH9shmDc3bLm w+HrgCKzTKOw== X-IronPort-AV: E=McAfee;i="6000,8403,9854"; a="156864097" X-IronPort-AV: E=Sophos;i="5.78,476,1599548400"; d="scan'208";a="156864097" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Jan 2021 01:34:12 -0800 IronPort-SDR: Nvc985u7Lh5kDG9XupQ5MtKpcstNMQFRpf6MjGH/Eo2AV2AQv00ADNKxMxM81EJGXtRezmItle L5IrIhHeQd7w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.78,476,1599548400"; d="scan'208";a="569665174" Received: from host.sh.intel.com ([10.239.154.115]) by fmsmga005.fm.intel.com with ESMTP; 05 Jan 2021 01:34:11 -0800 From: Ye Xiang To: jikos@kernel.org, jic23@kernel.org, srinivas.pandruvada@linux.intel.com Cc: linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Ye Xiang Subject: [PATCH 5/6] iio: hid-sensor-incl-3d: Add timestamp channel Date: Tue, 5 Jan 2021 17:35:14 +0800 Message-Id: <20210105093515.19135-6-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210105093515.19135-1-xiang.ye@intel.com> References: <20210105093515.19135-1-xiang.ye@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Each sample has a timestamp field with this change. This timestamp may be from the sensor hub when present or local kernel timestamp. And the unit of timestamp is nanosecond. Signed-off-by: Ye Xiang --- drivers/iio/orientation/hid-sensor-incl-3d.c | 43 ++++++++++++-------- 1 file changed, 27 insertions(+), 16 deletions(-) diff --git a/drivers/iio/orientation/hid-sensor-incl-3d.c b/drivers/iio/orientation/hid-sensor-incl-3d.c index df2fe91e8117..3baa52fbb426 100644 --- a/drivers/iio/orientation/hid-sensor-incl-3d.c +++ b/drivers/iio/orientation/hid-sensor-incl-3d.c @@ -24,15 +24,21 @@ enum incl_3d_channel { INCLI_3D_CHANNEL_MAX, }; +#define CHANNEL_SCAN_INDEX_TIMESTAMP INCLI_3D_CHANNEL_MAX + struct incl_3d_state { struct hid_sensor_hub_callbacks callbacks; struct hid_sensor_common common_attributes; struct hid_sensor_hub_attribute_info incl[INCLI_3D_CHANNEL_MAX]; - u32 incl_val[INCLI_3D_CHANNEL_MAX]; + struct { + u32 incl_val[INCLI_3D_CHANNEL_MAX]; + u64 timestamp __aligned(8); + } scan; int scale_pre_decml; int scale_post_decml; int scale_precision; int value_offset; + s64 timestamp; }; static const u32 incl_3d_addresses[INCLI_3D_CHANNEL_MAX] = { @@ -81,7 +87,8 @@ static const struct iio_chan_spec incl_3d_channels[] = { BIT(IIO_CHAN_INFO_SAMP_FREQ) | BIT(IIO_CHAN_INFO_HYSTERESIS), .scan_index = CHANNEL_SCAN_INDEX_Z, - } + }, + IIO_CHAN_SOFT_TIMESTAMP(CHANNEL_SCAN_INDEX_TIMESTAMP), }; /* Adjust channel real bits based on report descriptor */ @@ -186,13 +193,6 @@ static const struct iio_info incl_3d_info = { .write_raw = &incl_3d_write_raw, }; -/* Function to push data to buffer */ -static void hid_sensor_push_data(struct iio_dev *indio_dev, u8 *data, int len) -{ - dev_dbg(&indio_dev->dev, "hid_sensor_push_data\n"); - iio_push_to_buffers(indio_dev, (u8 *)data); -} - /* Callback handler to send event after all samples are received and captured */ static int incl_3d_proc_event(struct hid_sensor_hub_device *hsdev, unsigned usage_id, @@ -202,10 +202,16 @@ static int incl_3d_proc_event(struct hid_sensor_hub_device *hsdev, struct incl_3d_state *incl_state = iio_priv(indio_dev); dev_dbg(&indio_dev->dev, "incl_3d_proc_event\n"); - if (atomic_read(&incl_state->common_attributes.data_ready)) - hid_sensor_push_data(indio_dev, - (u8 *)incl_state->incl_val, - sizeof(incl_state->incl_val)); + if (atomic_read(&incl_state->common_attributes.data_ready)) { + if (!incl_state->timestamp) + incl_state->timestamp = iio_get_time_ns(indio_dev); + + iio_push_to_buffers_with_timestamp(indio_dev, + &incl_state->scan, + incl_state->timestamp); + + incl_state->timestamp = 0; + } return 0; } @@ -222,13 +228,18 @@ static int incl_3d_capture_sample(struct hid_sensor_hub_device *hsdev, switch (usage_id) { case HID_USAGE_SENSOR_ORIENT_TILT_X: - incl_state->incl_val[CHANNEL_SCAN_INDEX_X] = *(u32 *)raw_data; + incl_state->scan.incl_val[CHANNEL_SCAN_INDEX_X] = *(u32 *)raw_data; break; case HID_USAGE_SENSOR_ORIENT_TILT_Y: - incl_state->incl_val[CHANNEL_SCAN_INDEX_Y] = *(u32 *)raw_data; + incl_state->scan.incl_val[CHANNEL_SCAN_INDEX_Y] = *(u32 *)raw_data; break; case HID_USAGE_SENSOR_ORIENT_TILT_Z: - incl_state->incl_val[CHANNEL_SCAN_INDEX_Z] = *(u32 *)raw_data; + incl_state->scan.incl_val[CHANNEL_SCAN_INDEX_Z] = *(u32 *)raw_data; + break; + case HID_USAGE_SENSOR_TIME_TIMESTAMP: + incl_state->timestamp = + hid_sensor_convert_timestamp(&incl_state->common_attributes, + *(s64 *)raw_data); break; default: ret = -EINVAL;