From patchwork Wed Mar 3 06:36:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 12114921 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 0B2F4C4361B for ; Thu, 4 Mar 2021 00:30:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3C8264EE3 for ; Thu, 4 Mar 2021 00:30:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242461AbhCDA3z (ORCPT ); Wed, 3 Mar 2021 19:29:55 -0500 Received: from mga17.intel.com ([192.55.52.151]:50151 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1841820AbhCCGiR (ORCPT ); Wed, 3 Mar 2021 01:38:17 -0500 IronPort-SDR: m+zdDewE6wxrFoFKHb2ZbRXnhjeKrgQgg4pv7kEW6BAy4tfDqgd9rn1re0UjwtpQCig4sNPF3C Qval5Zc9Zb5w== X-IronPort-AV: E=McAfee;i="6000,8403,9911"; a="167012884" X-IronPort-AV: E=Sophos;i="5.81,219,1610438400"; d="scan'208";a="167012884" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Mar 2021 22:36:00 -0800 IronPort-SDR: n841CAA7egzCmxnVOXp/mTQQeI446hcezOqZau0UCHroGA5Lvwp4e4q2IFlvtHhEdBBZe8zaUX qabmyh2hOinA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,219,1610438400"; d="scan'208";a="383870907" Received: from host.sh.intel.com ([10.239.154.115]) by orsmga002.jf.intel.com with ESMTP; 02 Mar 2021 22:35:58 -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 2/4] iio: hid-sensor-humidity: Get sample timestamp from sensor hub Date: Wed, 3 Mar 2021 14:36:13 +0800 Message-Id: <20210303063615.12130-3-xiang.ye@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210303063615.12130-1-xiang.ye@intel.com> References: <20210303063615.12130-1-xiang.ye@intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Try to get sample timestamp from sensor hub first, if failed then use system timestamp. Signed-off-by: Ye Xiang --- drivers/iio/humidity/hid-sensor-humidity.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/iio/humidity/hid-sensor-humidity.c b/drivers/iio/humidity/hid-sensor-humidity.c index 74383abc0d44..f7b4c76ed94f 100644 --- a/drivers/iio/humidity/hid-sensor-humidity.c +++ b/drivers/iio/humidity/hid-sensor-humidity.c @@ -23,6 +23,7 @@ struct hid_humidity_state { int scale_post_decml; int scale_precision; int value_offset; + s64 timestamp; }; static const u32 humidity_sensitivity_addresses[] = { @@ -131,9 +132,14 @@ static int humidity_proc_event(struct hid_sensor_hub_device *hsdev, struct iio_dev *indio_dev = platform_get_drvdata(pdev); struct hid_humidity_state *humid_st = iio_priv(indio_dev); - if (atomic_read(&humid_st->common_attributes.data_ready)) + if (atomic_read(&humid_st->common_attributes.data_ready)) { + if (!humid_st->timestamp) + humid_st->timestamp = iio_get_time_ns(indio_dev); + iio_push_to_buffers_with_timestamp(indio_dev, &humid_st->scan, - iio_get_time_ns(indio_dev)); + humid_st->timestamp); + humid_st->timestamp = 0; + } return 0; } @@ -151,6 +157,10 @@ static int humidity_capture_sample(struct hid_sensor_hub_device *hsdev, humid_st->scan.humidity_data = *(s32 *)raw_data; return 0; + case HID_USAGE_SENSOR_TIME_TIMESTAMP: + humid_st->timestamp = hid_sensor_convert_timestamp(&humid_st->common_attributes, + *(s64 *)raw_data); + return 0; default: return -EINVAL; }