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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0A2D7C71133 for ; Fri, 25 Aug 2023 06:50:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242474AbjHYGtx (ORCPT ); Fri, 25 Aug 2023 02:49:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242419AbjHYGt0 (ORCPT ); Fri, 25 Aug 2023 02:49:26 -0400 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4653819AC for ; Thu, 24 Aug 2023 23:49:24 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id a640c23a62f3a-99cdb0fd093so65391166b.1 for ; Thu, 24 Aug 2023 23:49:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1692946163; x=1693550963; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=lajo7OqjOl8rNN2v6USsxhYYBHIrPlabiPvdvBF4vXE=; b=dzoDs5/lDF0GjQ5kZXZxk2yOa49Piy22tw3skoTulieeCRGnP9Mv7HnYX3IjPFh6pd HaMBy4bbjmA1xChFTcs48EyjUlsf/NSu9R7NZ35h62lrUIvy5+OF8AMYHvJiLekM29H2 2OlSutBxRTPj8yFiU13mUUVjYea3zoKx/QoEngtqssASp87p9OfWagBMgvGIlsnTBL7/ Z4nfbas0owDAM+427A5QSq5CL9gGS3cUkz8q52amlSw9lr+rFitpIZgeZ2+zSMLpeyI9 G0W598lKD1Rn2uPD+sB1l4NkpFzsaEfza0/hBHfTMhZ70GfizXngR8miIj/C7nsTSM54 pHjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692946163; x=1693550963; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=lajo7OqjOl8rNN2v6USsxhYYBHIrPlabiPvdvBF4vXE=; b=gzxMQ5CrbvxKtv9Ka8g5UHcoeQ57zVv1eORy3QCb0c2dh7P8ZdfUxaAhiusmHRalwc lt+5X1WAMHzZw2hZdw4PDk9cUvXnI+D+Udavte39zPcyZTvqKZBvtR5m+gaVvgwXkEyP 7RctTfSvGvbzac04qbcEdBnLjOegQ8ghbLAIyz5824OLQFjENviUUIx7TtnOeD2mGjSP 4kkjzBZdNPC7dN7HCJ/+8PkynpE5ynD63BXxUjlnrJRRK34+9HJo22wOwP+n5u6pgalZ yAwmuwsSqA5DdfhlifNjc2EP8/kdDy1FiN6rB4lbzhau0ZESY5s8v/B0zTGspgfeDGgc uf3w== X-Gm-Message-State: AOJu0Yz378w5exxNn0DaPNLT0+QUMSR0xMqYLHbQIJHbKfubOdK/ygx5 gwh5ovLyCtHsYoM3e2PRWet2Uw== X-Google-Smtp-Source: AGHT+IHM0u5TqZw/AW+78y+hWyLMRR4dUmiJS290WiUMgNgRrW7spqkKVWWxp/6asczYj3lW/GZuRw== X-Received: by 2002:a17:906:2d0:b0:9a1:d0bb:d215 with SMTP id 16-20020a17090602d000b009a1d0bbd215mr5444386ejk.5.1692946162757; Thu, 24 Aug 2023 23:49:22 -0700 (PDT) Received: from [192.168.0.22] ([77.252.47.198]) by smtp.gmail.com with ESMTPSA id h1-20020a1709062dc100b00992b1c93279sm595709eji.110.2023.08.24.23.49.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Aug 2023 23:49:22 -0700 (PDT) Message-ID: <2eda319d-bdd9-bfeb-005a-5989cf674501@linaro.org> Date: Fri, 25 Aug 2023 08:49:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH 1/2] TSD: arm64: dts: rockchip: use codec as clock master Content-Language: en-US To: Jakob Unterwurzacher , Rob Herring , Krzysztof Kozlowski , Heiko Stuebner Cc: jakob.unterwurzacher@theobroma-systems.com, Ermin Sunj , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org References: <20230823122000.585787-1-jakob.unterwurzacher@theobroma-systems.com> From: Krzysztof Kozlowski In-Reply-To: <20230823122000.585787-1-jakob.unterwurzacher@theobroma-systems.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23/08/2023 14:19, Jakob Unterwurzacher wrote: > From: Ermin Sunj > > If the codec is not the clock master, the MCLK needs to be > synchronous to both I2S_SCL ans I2S_LRCLK. We do not have that > on Haikou, causing distorted audio. > > Before: > > Running audioloopback.py script on Ringneck, 1kHz > output sine wave is not stable and shows distortion. > > After: > > 10h stress tests audioloopback.py failed only one time. > That is 0.00014% failure rate. What is TSD? Why it is in the subject prefix? Please use subject prefixes matching the subsystem. You can get them for example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory your patch is touching. Best regards, Krzysztof