From patchwork Thu Dec 10 20:49:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gwendal Grignou X-Patchwork-Id: 11966499 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, 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 A97FDC4167B for ; Thu, 10 Dec 2020 20:50:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 79FEF23E21 for ; Thu, 10 Dec 2020 20:50:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404517AbgLJUud (ORCPT ); Thu, 10 Dec 2020 15:50:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404489AbgLJUud (ORCPT ); Thu, 10 Dec 2020 15:50:33 -0500 Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9EBC8C0613D3 for ; Thu, 10 Dec 2020 12:49:52 -0800 (PST) Received: by mail-pf1-x444.google.com with SMTP id q22so5247806pfk.12 for ; Thu, 10 Dec 2020 12:49:52 -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=E2vOZP6CMZ2x9K9kFOk9FDIVgi2cvJVuiCzrPgGneiE=; b=cgnF5Scn2JvHhEfRLQU+t8HynEwHxXJ1hu3VZI6EL9Mzis5GcKIki/dL5OnBFeqQHV 4JDyzZRIt3juLt/xp2l5XwTgWSX+Rr4/AtllHINQDCQPQakW4mhnDg7KaG9N30y3VFmw 3MipQT9bSJh6DZUgaz9LSm9UfQtO4HaE2WSEc= 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=E2vOZP6CMZ2x9K9kFOk9FDIVgi2cvJVuiCzrPgGneiE=; b=Hmgdtc11hT3GFqlMq9pp4XdkzAq3MHOnrZtCwxJ9q9HUh4EOyAYfhjM4tMnmY9lQ8W DWirQR6qq5CxxhBdTpKWKbQYLoTQF/Wkwt0H6rzA9gFMN4CVIaTtD6ONzcYFVWX0fNo0 ZK0vQf+XIRaZJDQmveQgn54gdF3TymxC7aVZMkZ7FS5wdIxyVK8FDEhAeq0ieIZMYhWP QvR9QOco4JpF/HddEOele1ImaFCfBoQb7IfBnhqeROnL1m23b1XtBYMTRC8MeNHN3KAq SNw4WSE+fs9joleE4dKsyw4MbLWEqzmbiSKdYDdzhif988UBj++x2d/IkPjTCoAFX4bQ XHWA== X-Gm-Message-State: AOAM530gwCL9uD2tkIV9tIORwUwwgc8PNCdF/CdFf9XFsHQenuIDjjCv ccxecaYVi5NrO21ZgnWNYRSCDw== X-Google-Smtp-Source: ABdhPJxUtVECZ+QzWYqLH1qzEo1PY0UTIBmn8xICyuOSz7CULtpA/R8jkNaBUWdwIV+p8xLaJFebRw== X-Received: by 2002:a65:5cc6:: with SMTP id b6mr8189348pgt.417.1607633392273; Thu, 10 Dec 2020 12:49:52 -0800 (PST) Received: from localhost ([2620:15c:202:201:7220:84ff:fe09:94fe]) by smtp.gmail.com with ESMTPSA id b1sm7521691pjh.54.2020.12.10.12.49.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 10 Dec 2020 12:49:51 -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 v2 1/2] iio: acpi_als: Add timestamp channel Date: Thu, 10 Dec 2020 12:49:42 -0800 Message-Id: <20201210204944.968290-2-gwendal@chromium.org> X-Mailer: git-send-email 2.29.2.576.ga3fc446d84-goog In-Reply-To: <20201210204944.968290-1-gwendal@chromium.org> References: <20201210204944.968290-1-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 --- 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 1eafd0b24e182..ff0ecec65fae4 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, paddind 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); }; /*