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=-15.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 10FE9C4321A for ; Mon, 15 Mar 2021 17:56:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D2FB864F19 for ; Mon, 15 Mar 2021 17:56:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231319AbhCOR4G (ORCPT ); Mon, 15 Mar 2021 13:56:06 -0400 Received: from mga05.intel.com ([192.55.52.43]:49471 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231909AbhCORsl (ORCPT ); Mon, 15 Mar 2021 13:48:41 -0400 IronPort-SDR: LyMUd7N00xTB6KZQqPb26mPw4an8l7YeBlpsAK4vol4jW0WiDxDKWP+OmN/JxQFaBoTBd6HiwZ IgpO0Iv1HTbA== X-IronPort-AV: E=McAfee;i="6000,8403,9924"; a="274171851" X-IronPort-AV: E=Sophos;i="5.81,251,1610438400"; d="scan'208";a="274171851" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Mar 2021 10:46:00 -0700 IronPort-SDR: v8t5y50ubkXves4zafwbQVR32hXp6Mt5VX4zMLdh7feUVv5AskleWaXsAgrqYunr/+jqDs14wF zEIeZvVMn3Bg== X-IronPort-AV: E=Sophos;i="5.81,251,1610438400"; d="scan'208";a="438962876" Received: from pwells-mobl2.amr.corp.intel.com (HELO [10.212.5.38]) ([10.212.5.38]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Mar 2021 10:45:59 -0700 Subject: Re: [PATCH v4 0/5] soundwire: add static port map support To: Srinivas Kandagatla , broonie@kernel.org, vkoul@kernel.org Cc: robh@kernel.org, devicetree@vger.kernel.org, yung-chuan.liao@linux.intel.com, sanyog.r.kale@intel.com, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org References: <20210315165650.13392-1-srinivas.kandagatla@linaro.org> From: Pierre-Louis Bossart Message-ID: Date: Mon, 15 Mar 2021 12:10:46 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <20210315165650.13392-1-srinivas.kandagatla@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 3/15/21 11:56 AM, Srinivas Kandagatla wrote: > In some cases, SoundWire device ports are statically mapped to Controller > ports during design, however there is no way to expose this information > to the controller. Controllers like Qualcomm ones use this info to setup > static bandwidth parameters for those ports. > > A generic port allocation is not possible in this cases! > This patch adds a new member m_port_map to SoundWire device so that > it can populate the static master port map and share it with controller > to be able to setup correct bandwidth parameters. > > As a user of this feature this patchset also adds new bindings for > wsa881x smart speaker which has 4 ports which are statically mapped > to the 3 output and 1 input port of the controller. > > Tested it on DB845c and SM8250 MTP. > > thanks, > srini Reviewed-by: Pierre-Louis Bossart > Changes since v3: > - updated kernel doc for more clarity on m_port_map > > Srinivas Kandagatla (5): > soundwire: add static port mapping support > soundwire: qcom: update port map allocation bit mask > soundwire: qcom: add static port map support > ASoC: dt-bindings: wsa881x: add bindings for port mapping > ASoC: codecs: wsa881x: add static port map support > > .../bindings/sound/qcom,wsa881x.yaml | 9 ++++++ > drivers/soundwire/qcom.c | 31 +++++++++++++++---- > include/linux/soundwire/sdw.h | 2 ++ > sound/soc/codecs/wsa881x.c | 7 +++++ > 4 files changed, 43 insertions(+), 6 deletions(-) >