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=-3.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS 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 99EDFC2BA2B for ; Mon, 13 Apr 2020 22:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6FCC320678 for ; Mon, 13 Apr 2020 22:26:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="ZyRGNKsL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389548AbgDMW0C (ORCPT ); Mon, 13 Apr 2020 18:26:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2389528AbgDMW0A (ORCPT ); Mon, 13 Apr 2020 18:26:00 -0400 Received: from mail-lj1-x241.google.com (mail-lj1-x241.google.com [IPv6:2a00:1450:4864:20::241]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8F215C0A3BDC for ; Mon, 13 Apr 2020 15:25:59 -0700 (PDT) Received: by mail-lj1-x241.google.com with SMTP id h25so10387181lja.10 for ; Mon, 13 Apr 2020 15:25:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=yUCDvQBuFOY6FntBajf86Ahrm42D1jbDg3+bQiczunc=; b=ZyRGNKsLPgDkDKERqhymWrQTaGTsLlekHVERP9HAfuLas0LlJqQJwstZGvfPXbWSLm 4IAGi726gf+ZmNuhyIg4h2JFRqBLQ5sy+zmE8IJYa6zC6U5EvruB6A0OSBiZznP+0Zn5 pl6qgycIZ2U1DqPUJ7SARvqteQpriX6YrHte671/7u8vDGqHq1PvSBXpAZYw6wu5TfSE NB0TL3jzH+iPXKAB1vLoqDqgjUljHaXTsfC0AD93/fV25u62CTETv6T815oK+vDtCSQ/ Mo3mqU7CJuaVibNC6oPhdlWN7Q37BIKxHqBJZOLJYpFtYHWv3Q+Iq4USrf9lJrD12fjI T+uQ== 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=yUCDvQBuFOY6FntBajf86Ahrm42D1jbDg3+bQiczunc=; b=JA3Wb76VjW7YhtdmugXU0vbS7ktpWsLj4vSD4J++qLUps3X8xOiYL1Lx9M+s3numcl iqAPWOQoZmbuM+KvOomAJ7haKWgRdIxQH/Y++CkoWSrmxt5Jj8MmStFlux2goFDPheAF DQNPStw827M9DaFrunuCquse0CAVs/EzUOnfIWZ026RPgcc6XJhbIOuInA27e2PRveps MU/HH85qDxi7/xUOuGcwn3NG5JNnuAXhuem0jmw90CqhKTjy+Kjs1yJ32vfDgZA1+ZTy yRFae4e16d36ceZSAxJPLH+krgfFmSeU2QhoNWaOCLMrTFZlEBwpa1nL/BBolNcOc/J9 an1g== X-Gm-Message-State: AGi0Pub9Ut38ZXdS7UTGTdngtMHKhd1WLHnbQUHueE8P2NNpuK4vVvP7 XvwwVGOKOd2c8aNR0XbXPffpUQFBUFAkrw6ORmQOJg== X-Google-Smtp-Source: APiQypK/2ndHP8kURQ4Ts5/glyvQUwVgyvNBP+wEjHvHfdV2YnmCWGpR3I1/R0iVsua46EQmS6XHoD1eNZluPnrODaI= X-Received: by 2002:a05:651c:23b:: with SMTP id z27mr11256699ljn.125.1586816758021; Mon, 13 Apr 2020 15:25:58 -0700 (PDT) MIME-Version: 1.0 References: <20200406141350.162036-1-nick.reitemeyer@web.de> <20200406141350.162036-3-nick.reitemeyer@web.de> In-Reply-To: <20200406141350.162036-3-nick.reitemeyer@web.de> From: Linus Walleij Date: Tue, 14 Apr 2020 00:25:47 +0200 Message-ID: Subject: Re: [PATCH 3/3] iio: magnetometer: ak8974: add Alps hscdtd008a To: Nick Reitemeyer Cc: Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , linux-iio , Stephan Gerhold , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Rob Herring , Mark Rutland Content-Type: text/plain; charset="UTF-8" Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On Mon, Apr 6, 2020 at 4:24 PM Nick Reitemeyer wrote: > The hscdtd008a is similar to the AK8974: > Only the whoami value and some registers are different. > > Signed-off-by: Nick Reitemeyer Reviewed-by: Linus Walleij Also Tested-by: Linus Walleij Works like a charm on the Skomer. I don't know about the mounting matrix though. Does anyone have a simple procedure for how to calibrate the mounting matrix for a compass so it makes sense? I suppose just run a sensor app on a know working device and compare side-by-side but something more formal? Yours, Linus Walleij