From mboxrd@z Thu Jan 1 00:00:00 1970 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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 EA4BDC04AB1 for ; Thu, 9 May 2019 10:54:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A92A7216C4 for ; Thu, 9 May 2019 10:54:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YRgKk+av" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725892AbfEIKyl (ORCPT ); Thu, 9 May 2019 06:54:41 -0400 Received: from mail-wr1-f45.google.com ([209.85.221.45]:41965 "EHLO mail-wr1-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725869AbfEIKyl (ORCPT ); Thu, 9 May 2019 06:54:41 -0400 Received: by mail-wr1-f45.google.com with SMTP id d12so2378737wrm.8 for ; Thu, 09 May 2019 03:54:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=JHKZprbPfj6OTBjwiNOW13VXY53oG2/QrZuSjGw0ajA=; b=YRgKk+avdCoS2VQSvUP9VEFwkAN0O6cf/cbuEx/QhlGulLhkAbqfBJho21k5zOoSR6 993nseg8LYQR71myYC48GXgXNK4s7s5hyzr3Dr581qtzqimjmDsgdAv7S0YVZlClgDrm bwJ9i5qvDYP1cn5Uoc/i6PBb89+uiEIfxJfv9+7RG8SWXoaaQBeFq37TWX9D1ZgjKDX+ KgXTGJVG1L0WpdsV3rvMv5V4LTzEtzte7rVvuOJxIXyVy1WHm4JxC0/+zHDv9cqjes0j +4TNcLED3w4dzhYyDdrFQzdC2bMUnTWZhbf4IFXwtRiOD+vvflljf/7juFKX5gh8Wkh6 RvJg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=JHKZprbPfj6OTBjwiNOW13VXY53oG2/QrZuSjGw0ajA=; b=FV8loTniZ9wADpPQO60KWJ3wkdUk5YY3lzNDi8ZLYC5S4H3HUC/1tSro5R5nfeWVsm ppPOIBLYj4yXIpp3iQvr+ri2h5VpXjqCtj7N9+zfCksEIcT12sfJcBUkDAckpJ9xjVwA A/Z8mHxOJNY6JmOWtbouz9DtSVXV9YOaqprmNQ41s14QkUfp5PwzviQheg/YU5Qg08c9 1Nc+vTjPFk6/FQyKWxUWPgUwsIMdoxVY9+DQXtupbs4oz7lKLMSoPexM3czMoepUhgz9 ulC3QELFY2uo5pEEpiBG6eLhhNE9pBKepM+nERc3oJjo4qt2UbxmXVQr574LvTeM2N9i t90g== X-Gm-Message-State: APjAAAU0axHs10+ycX0svuMCPJYMJAeftm3+pQN5G0yJLJZ7fObB1KCm GdEF2Ob0gjjBf6IDnmqXdBCmxCm3 X-Google-Smtp-Source: APXvYqx1irTft8oOrRE5k8oIlhUkGfS4lbw6Xity0BojskY4Ql8vpeKY9EhealaUA3l0dP7tJK65pg== X-Received: by 2002:a5d:4a87:: with SMTP id o7mr2491757wrq.207.1557399278857; Thu, 09 May 2019 03:54:38 -0700 (PDT) Received: from [10.0.4.19] (34.16-66-87.adsl-static.isp.belgacom.be. [87.66.16.34]) by smtp.googlemail.com with ESMTPSA id i127sm6204377wmg.21.2019.05.09.03.54.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 09 May 2019 03:54:37 -0700 (PDT) To: linux-iio@vger.kernel.org From: =?UTF-8?Q?Ga=c3=abtan_Carlier?= Subject: Buffer size for iio_push_to_buffers_with_timestamp() Message-ID: Date: Thu, 9 May 2019 12:54:34 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: nl Content-Transfer-Encoding: 8bit Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Dear, I have a question about the function iio_push_to_buffers_with_timestamp(). How kernel knows the size of the buffer ? Should the buffer always be 128 bits (with last 64 bits for timestamp) ? Best regards, Gaëtan.