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=-3.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, PDS_TONAME_EQ_TOLOCAL_SHORT,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 28479C433ED for ; Mon, 26 Apr 2021 15:44:01 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 884A361175 for ; Mon, 26 Apr 2021 15:43:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 884A361175 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 741031680; Mon, 26 Apr 2021 17:43:06 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 741031680 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1619451836; bh=SLLccNZtla/LVhC+XeuLhgEW8pGmpgkt+4xa0s5SJKg=; h=Subject:To:References:From:Date:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Kxt69okYnWbq85b96jzDnPItwIA67ndtQnznS07viQMOzkCqc7jkTp/Cjnv4WxIGP SpJAHX7TkVZ7OfMuVjAFXOvOjCb4oJ/gfvJDlQRyrOywFKJRLrcVDsinBwVNEmLkXz XyN14y7LN22CnH1wiYCEMYHV7Q2fBxLIM8e5WKXg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id B1A18F80165; Mon, 26 Apr 2021 17:43:05 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id EC7BBF8016C; Mon, 26 Apr 2021 17:43:02 +0200 (CEST) Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id C3A67F800E3 for ; Mon, 26 Apr 2021 17:42:54 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz C3A67F800E3 IronPort-SDR: hC7MSZ0CChFmuOow57Lhhk2lC7F9mwBkWdjbUduUxtX8uyUAZpjP9Zcisp8Ae8IKPq/lkh7qGz h4Jmwy0KtKrw== X-IronPort-AV: E=McAfee;i="6200,9189,9966"; a="183489054" X-IronPort-AV: E=Sophos;i="5.82,252,1613462400"; d="scan'208";a="183489054" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2021 08:42:49 -0700 IronPort-SDR: r+JfcCFGTVBpN+8kKpO7LlWFygtRIYmzq5IOqSJigJpf0SRl7tK7qYTxvGPqV7LKsvuNsBd6uJ w+0B4ooagt3A== X-IronPort-AV: E=Sophos;i="5.82,252,1613462400"; d="scan'208";a="618648157" Received: from fhamberg-mobl2.amr.corp.intel.com (HELO [10.254.34.174]) ([10.254.34.174]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2021 08:42:48 -0700 Subject: Re: [PATCH 05/14] ASoC: Intel: boards: byt/cht: set card and driver name at run time To: youling257 References: <20201112223825.39765-6-pierre-louis.bossart@linux.intel.com> <20210425181304.29280-1-youling257@gmail.com> From: Pierre-Louis Bossart Message-ID: <4e9ec8e9-31ba-a93f-3445-dc9648204c3c@linux.intel.com> Date: Mon, 26 Apr 2021 10:12:48 -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: <20210425181304.29280-1-youling257@gmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Cc: guennadi.liakhovetski@linux.intel.com, alsa-devel@alsa-project.org, tiwai@suse.de, ranjani.sridharan@linux.intel.com, hdegoede@redhat.com, broonie@kernel.org, rander.wang@linux.intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 4/25/21 1:13 PM, youling257 wrote: > What`s the mean? how to use kernel parameter at run time? see the options for the snd-intel-dspcfg module For byt/cht, if you use dsp_driver=3 you will select SOF. if you use dsp_driver=2 or don't set the value at all, you will select the legacy Atom/sst driver, which is still the default