From patchwork Wed Dec 16 06:02:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gwendal Grignou X-Patchwork-Id: 11976673 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 EC66BC0018C for ; Wed, 16 Dec 2020 06:03:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B84F223355 for ; Wed, 16 Dec 2020 06:03:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725885AbgLPGDT (ORCPT ); Wed, 16 Dec 2020 01:03:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725813AbgLPGDT (ORCPT ); Wed, 16 Dec 2020 01:03:19 -0500 Received: from mail-pf1-x432.google.com (mail-pf1-x432.google.com [IPv6:2607:f8b0:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6846C061793 for ; Tue, 15 Dec 2020 22:02:38 -0800 (PST) Received: by mail-pf1-x432.google.com with SMTP id h186so5459517pfe.0 for ; Tue, 15 Dec 2020 22:02:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wAiuD9XjlCIapOopak2nGjcyJTtN7EQoKtyOBuUMM/8=; b=lzoRL8jiwfeQzR3vFP+aT/FVxOstPfy+BhfXRl7IW5zK5KqaPsuLiaQ/nAZ9ZlwFvO mbcHsnIKMJ+qOv8SrFmGhUi8IEwZpfNwb8PxT85KJ4frHD6RzTTOzaMlFAp2wzh8Fs9w g9HNr75ZHk7lnPAXw54HJRhtrpb4GtTYaDr3s= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=wAiuD9XjlCIapOopak2nGjcyJTtN7EQoKtyOBuUMM/8=; b=d1hTP4wo14b/0++72Xx5T1lGurb/awYqgGbAwq9Neq9rCCntNQ2ID9tlGan/NG5yms ghz4Np1/xb/9JMcYyg3RHUDcKXuPn+QmxTyLxRUDszit+Qx+D65fK7eXnVdGMhVzPhzn KRzOF2B/RYSvL0S+a4RMSF/0kUnCAtriJu609HhUuiWm4iQ4vW8vdtq9S8ilD1WeBn1o Sc8qE8NePgaZnujsDZTohmNT6SPQWeXQNW/vnn9MZ1Bv/AhYp2QTBoIKv84QH4sBuuD4 PxVutEy3nBkDgm3bchQ2hoO9rJIYDfzLLsZsZdF0nwYv8EhunJjJ8Kej2k/LihL5ys/F 5MBg== X-Gm-Message-State: AOAM531qiawqeetke+5orWjQGpK6wj6muEuplmBWLYAEe5+5vUdzLsA1 FCQUTnMvc+phZ3pCLpEVN2EpcA== X-Google-Smtp-Source: ABdhPJy8dnPbEB1gtrYK5L+BD+O80AggiNyiV0KHXqaDFto85as/QBlsQuOXbATRDihYenbg+3GOCw== X-Received: by 2002:a63:4e4c:: with SMTP id o12mr31516796pgl.348.1608098558549; Tue, 15 Dec 2020 22:02:38 -0800 (PST) Received: from localhost ([2620:15c:202:201:7220:84ff:fe09:94fe]) by smtp.gmail.com with ESMTPSA id t135sm926121pfc.39.2020.12.15.22.02.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 15 Dec 2020 22:02:37 -0800 (PST) From: Gwendal Grignou To: gabriele.mzt@gmail.com, jic23@kernel.org, lars@metafoo.de, andy.shevchenko@gmail.com Cc: linux-iio@vger.kernel.org, Gwendal Grignou Subject: [PATCH v4 1/3] iio: acpi_als: Add timestamp channel Date: Tue, 15 Dec 2020 22:02:31 -0800 Message-Id: <20201216060233.597689-2-gwendal@chromium.org> X-Mailer: git-send-email 2.29.2.684.gfbc64c5ab5-goog In-Reply-To: <20201216060233.597689-1-gwendal@chromium.org> References: <20201216060233.597689-1-gwendal@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add timestamp channel in list of channel, to allow retrieving timestamps when events are produced. Signed-off-by: Gwendal Grignou --- Changes in v4: Fix spelling. drivers/iio/light/acpi-als.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/iio/light/acpi-als.c b/drivers/iio/light/acpi-als.c index 2be7180e2cbfa..57512ac74eba1 100644 --- a/drivers/iio/light/acpi-als.c +++ b/drivers/iio/light/acpi-als.c @@ -45,24 +45,23 @@ static const struct iio_chan_spec acpi_als_channels[] = { .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_PROCESSED), }, + IIO_CHAN_SOFT_TIMESTAMP(1), }; /* * The event buffer contains timestamp and all the data from * the ACPI0008 block. There are multiple, but so far we only - * support _ALI (illuminance). Once someone adds new channels - * to acpi_als_channels[], the evt_buffer below will grow - * automatically. + * support _ALI (illuminance): + * One channel, padding and timestamp. */ -#define ACPI_ALS_EVT_NR_SOURCES ARRAY_SIZE(acpi_als_channels) #define ACPI_ALS_EVT_BUFFER_SIZE \ - (sizeof(s64) + (ACPI_ALS_EVT_NR_SOURCES * sizeof(s32))) + (sizeof(s32) + sizeof(s32) + sizeof(s64)) struct acpi_als { struct acpi_device *device; struct mutex lock; - s32 evt_buffer[ACPI_ALS_EVT_BUFFER_SIZE]; + s32 evt_buffer[ACPI_ALS_EVT_BUFFER_SIZE / sizeof(s32)] __aligned(8); }; /*