From patchwork Wed Mar 3 06:36:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Xiang X-Patchwork-Id: 12114919 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 2DE4FC43619 for ; Thu, 4 Mar 2021 00:30:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EB1A764EC0 for ; Thu, 4 Mar 2021 00:29:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236672AbhCDA35 (ORCPT ); Wed, 3 Mar 2021 19:29:57 -0500 Received: from mga17.intel.com ([192.55.52.151]:50147 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1841823AbhCCGi3 (ORCPT ); Wed, 3 Mar 2021 01:38:29 -0500 IronPort-SDR: QupRfpN9oBzzs6zVIuboLXDxDoZMdk2mqvHukpoBsDxq6zthxHviWdMYu5UUnLmncnlofHcucd aPcxtno4UaWg== X-IronPort-AV: E=McAfee;i="6000,8403,9911"; a="167012902" X-IronPort-AV: E=Sophos;i="5.81,219,1610438400"; d="scan'208";a="167012902" 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 22:36:02 -0800 IronPort-SDR: 1NxdKoDzUvWwhEtx/0uVwLiNyEaT+4EYDyHqLUGY+iyA3yPB99tpZj9MxZPd8Wxtw9MltYeL8D Uh+pPZQ5bibA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.81,219,1610438400"; d="scan'208";a="383870919" Received: from host.sh.intel.com ([10.239.154.115]) by orsmga002.jf.intel.com with ESMTP; 02 Mar 2021 22:36:00 -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 3/4] iio: hid-sensor-temperature: Fix issues of timestamp channel Date: Wed, 3 Mar 2021 14:36:14 +0800 Message-Id: <20210303063615.12130-4-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 This patch fixes 2 issues of timestamp channel: 1. This patch ensures that there is sufficient space and correct alignment for the timestamp. 2. Correct the timestamp channel scan index. Fixes: 59d0f2da3569 ("iio: hid: Add temperature sensor support") Signed-off-by: Ye Xiang --- drivers/iio/temperature/hid-sensor-temperature.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/iio/temperature/hid-sensor-temperature.c b/drivers/iio/temperature/hid-sensor-temperature.c index e3d38cbcf354..dc534ed784c3 100644 --- a/drivers/iio/temperature/hid-sensor-temperature.c +++ b/drivers/iio/temperature/hid-sensor-temperature.c @@ -15,7 +15,10 @@ struct temperature_state { struct hid_sensor_common common_attributes; struct hid_sensor_hub_attribute_info temperature_attr; - s32 temperature_data; + struct { + s32 temperature_data; + u64 timestamp __aligned(8); + } scan; int scale_pre_decml; int scale_post_decml; int scale_precision; @@ -36,7 +39,7 @@ static const struct iio_chan_spec temperature_channels[] = { BIT(IIO_CHAN_INFO_SAMP_FREQ) | BIT(IIO_CHAN_INFO_HYSTERESIS), }, - IIO_CHAN_SOFT_TIMESTAMP(3), + IIO_CHAN_SOFT_TIMESTAMP(1), }; /* Adjust channel real bits based on report descriptor */ @@ -127,9 +130,8 @@ static int temperature_proc_event(struct hid_sensor_hub_device *hsdev, struct temperature_state *temp_st = iio_priv(indio_dev); if (atomic_read(&temp_st->common_attributes.data_ready)) - iio_push_to_buffers_with_timestamp(indio_dev, - &temp_st->temperature_data, - iio_get_time_ns(indio_dev)); + iio_push_to_buffers_with_timestamp(indio_dev, &temp_st->scan, + iio_get_time_ns(indio_dev)); return 0; } @@ -144,7 +146,7 @@ static int temperature_capture_sample(struct hid_sensor_hub_device *hsdev, switch (usage_id) { case HID_USAGE_SENSOR_DATA_ENVIRONMENTAL_TEMPERATURE: - temp_st->temperature_data = *(s32 *)raw_data; + temp_st->scan.temperature_data = *(s32 *)raw_data; return 0; default: return -EINVAL;