From patchwork Mon Nov 19 06:12:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jian-Hong Pan X-Patchwork-Id: 10688229 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0350D13BF for ; Mon, 19 Nov 2018 06:12:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E455429BC2 for ; Mon, 19 Nov 2018 06:12:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D6E4529BD9; Mon, 19 Nov 2018 06:12:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7276929BC2 for ; Mon, 19 Nov 2018 06:12:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726025AbeKSQfQ (ORCPT ); Mon, 19 Nov 2018 11:35:16 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:43223 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725908AbeKSQfQ (ORCPT ); Mon, 19 Nov 2018 11:35:16 -0500 Received: by mail-pg1-f193.google.com with SMTP id v28so2845015pgk.10 for ; Sun, 18 Nov 2018 22:12:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=endlessm-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id; bh=MMUm3eNkpyPQHHD2Gp64vHeM9nQZHTseSiKVjNaXq+Q=; b=kv9OvgbX0jXRr6DOGZLs7A8UmehgZimV9NLWu2CAlxgNvsCt2Zwk1uLg4DQdoT44N+ PA+ANHP/bC6ACVmDVQlSSnaF1FfBLcTSGdRApwt0mwRgeVHpQLYJHEnJ5xAg0KyotSde LnrtS9clvePHrqi38c8ALBTKnIqNaeD8zkiGQdHId7uxiQxSZiARwPXx1ebIP7qFKDR3 cH51S5qRuM5Sram0DJaQuyDll+qB03BNsIhsrrfUcVERHN6wPJWhUi7qV5hwo3ZBLWvy AzNIvSMWD/ViZ9h/H52tOBGQtP2yIXsKTJf+90dfkfOnxYkktCxsQ2DZus7rGCYD5gMZ ULCQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=MMUm3eNkpyPQHHD2Gp64vHeM9nQZHTseSiKVjNaXq+Q=; b=GAkW1k3U2HG3KyrHVk7tCzZgFeSo0Xc3rxweJbcv+99JcA/Tzo1s/XjCD0vdw89+DL Fa6bPgPztjRSKui6UpV6YBB8gWET/7UDjptFhGwwrgmjIT17Otjx0bN1vQ3Zb75Z9VHS GSiaZqWP+zMFMWJPjFcIwH+IdVRxZkoVZl05ZcY70DAnwkUwa3gv6nvYw8wMIIP/bLWJ YlyEjq5FW46mIowK5xwa/n8gq1GsaszrhxtsbBBDj/plc/cRIUJxqEirUK0wahPTW+BL 6pKRT8P4WEm+H19YZ6YyttnkrAnjWKsDrqkYwOeIYQQ9LPg405kMo7Uf8gDMZbgSLIVC avag== X-Gm-Message-State: AGRZ1gKgbOJxwjNnuHIpO5JG5kUAk/BEUd9WQtOaNhFu+cqjGQsh3L// VcXiQsdK6eO5qD8kx4J6Zb5lzQ== X-Google-Smtp-Source: AJdET5fcLhsbrVoaCd4D+9vKRfCouJQ7gGNfGwjw0jCEsKlG/K7xq5FmZN1iRE+0MaW17fUaJuMZyA== X-Received: by 2002:a62:37c7:: with SMTP id e190-v6mr21206743pfa.145.1542607959782; Sun, 18 Nov 2018 22:12:39 -0800 (PST) Received: from endless.endlessm-sf.com (125-227-158-176.HINET-IP.hinet.net. [125.227.158.176]) by smtp.googlemail.com with ESMTPSA id r4sm47469591pgn.54.2018.11.18.22.12.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 18 Nov 2018 22:12:39 -0800 (PST) From: Jian-Hong Pan To: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Dominique Martinet Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux@endlessm.com, Jian-Hong Pan Subject: [PATCH] iio: st_sensors: Fix the sleep time for sampling Date: Mon, 19 Nov 2018 14:12:19 +0800 Message-Id: <20181119061219.14238-1-jian-hong@endlessm.com> X-Mailer: git-send-email 2.11.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP According to the description of st_sensor_settings and st_sensor_data structures' comments: - bootime: samples to discard when sensor passing from power-down to power-up. - odr: Output data rate of the sensor [Hz]. The sleep time should be sdata->sensor_settings->bootime + 1000 / sdata->odr ms. Signed-off-by: Jian-Hong Pan Signed-off-by: Jian-Hong Pan --- drivers/iio/common/st_sensors/st_sensors_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index 26fbd1bd9413..6b87ea657a92 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -594,7 +594,7 @@ int st_sensors_read_info_raw(struct iio_dev *indio_dev, if (err < 0) goto out; - msleep((sdata->sensor_settings->bootime * 1000) / sdata->odr); + msleep(sdata->sensor_settings->bootime + 1000 / sdata->odr); err = st_sensors_read_axis_data(indio_dev, ch, val); if (err < 0) goto out;