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=-0.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 F09A0C33C8C for ; Wed, 13 Nov 2019 18:32:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 255612068F for ; Wed, 13 Nov 2019 18:32:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728521AbfKMScj (ORCPT ); Wed, 13 Nov 2019 13:32:39 -0500 Received: from mail-oi1-f194.google.com ([209.85.167.194]:36651 "EHLO mail-oi1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726564AbfKMSci (ORCPT ); Wed, 13 Nov 2019 13:32:38 -0500 Received: by mail-oi1-f194.google.com with SMTP id j7so2722651oib.3; Wed, 13 Nov 2019 10:32:37 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cduUxY81dK6FATxcJPl9Q1qZAjOQW4lgU+z9WUW0USM=; b=V28/Dvqd/t/5511PdZYlQWWIiuYiegIRu6bH5vRtngsafZMWeFCpwvEclcbx0w/5D7 iy0BOpaF1wzB2CeubqNV/+WNqBnWogFCnwR0ZAVgISxIpDFLo83Bza/M8UARjrk8ddJA +N0gBKJhopfyLNpJ5hWONrlsIf3aZ1Oh8tIRxYBAK/epxC3QuyU/bVuksOqsAdflHw1n QjGbpftqVxSxm0/UGHswt6y8Xu4i6kKm5P6VcRU/dNMIMs98y/56PxOUPBj/ScUxzqv0 G0OCC1qBdkGu8IkoMusP7euMx8TU7wQ/5ZceWK3bVM1vYCtP1nw/OYyPAXihk8ESxWY8 Wz6g== X-Gm-Message-State: APjAAAWgoiBnYhkegxS+imICWNl7ZYU5BrBkUlvuwceB9NwU+yqZlP1Z EhqQjrPkimgz41YtIlc1+3TnA1yFYXg/BdsnqX4= X-Google-Smtp-Source: APXvYqwq+I1WKqcpRoDsqQgesT61g+HwzdCel1J9cdIofKyiHiYzNfMWLLPrDFN6wFG36xUA9RaaoKf/U5T2nnXhhuk= X-Received: by 2002:aca:4ac5:: with SMTP id x188mr9636oia.148.1573669956588; Wed, 13 Nov 2019 10:32:36 -0800 (PST) MIME-Version: 1.0 References: <20191113092133.23723-1-geert+renesas@glider.be> <20191113180057.GA2764@ninjato> In-Reply-To: <20191113180057.GA2764@ninjato> From: Geert Uytterhoeven Date: Wed, 13 Nov 2019 19:32:24 +0100 Message-ID: Subject: Re: [PATCH] iio: adc: max9611: Fix too short conversion time delay To: Wolfram Sang Cc: Geert Uytterhoeven , Jacopo Mondi , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Wolfram Sang , linux-iio@vger.kernel.org, Linux-Renesas , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Wolfram, On Wed, Nov 13, 2019 at 7:01 PM Wolfram Sang wrote: > > According to the datasheet, the typical ADC conversion time is 2 ms, but > > no minimum or maximum values are provided. > > That sentence makes me want to increase the delay to 4ms. That sounds a bit excessive to me. According to my measurements, it's 1.8 ms. => 3 ms? > Maybe we can ask someone at Analog in parallel? I recently found this > patch from an Analog developer in my inbox "[RESEND PATCH] drm: bridge: > adv7511: Fix low refresh rate register for ADV7533/5" Or do you guys > know a better contact? s/Analog/Maxim/? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds