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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 A935DC43603 for ; Wed, 18 Dec 2019 18:04:04 +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 3402920716 for ; Wed, 18 Dec 2019 18:04:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="Yqmi9vc+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3402920716 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 4FB191660; Wed, 18 Dec 2019 19:03:11 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 4FB191660 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1576692241; bh=JgBW4qMZh23GrbxvZuaN/BL1cvRLC2nI8rNZB/zgetQ=; h=To:References:From:Date:In-Reply-To:Cc:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=Yqmi9vc+U7cPtkY7/liSKIGXWTSRpg3g+R/FIxpMRyVrjD5/sYIKzlTntSbB63nU8 PZ2JJoKXFZ2KOnwYbl/yRTnrj91v9PX7/fsgRjpdAbCX+1N4QwiQfQ3bvHqAJzboGu b9+/Ha2CwUMJwMxYTCWQ0zlZhRqeHntV7ywq+i5s= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 8C062F80258; Wed, 18 Dec 2019 19:02:21 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 02E08F80258; Wed, 18 Dec 2019 19:02:16 +0100 (CET) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (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 D863AF8022C for ; Wed, 18 Dec 2019 19:02:13 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D863AF8022C X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Dec 2019 10:02:08 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,330,1571727600"; d="scan'208";a="415912271" Received: from dshoemak-mobl.amr.corp.intel.com (HELO [10.251.3.243]) ([10.251.3.243]) by fmsmga005.fm.intel.com with ESMTP; 18 Dec 2019 10:02:08 -0800 To: Mark Brown References: <87r212jqt1.wl-kuninori.morimoto.gx@renesas.com> <87o8w6jqrk.wl-kuninori.morimoto.gx@renesas.com> <87eex2jnck.wl-kuninori.morimoto.gx@renesas.com> <20191218171415.GJ3219@sirena.org.uk> From: Pierre-Louis Bossart Message-ID: Date: Wed, 18 Dec 2019 11:48:18 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <20191218171415.GJ3219@sirena.org.uk> Content-Language: en-US Cc: Linux-ALSA , "Sridharan, Ranjani" , Kuninori Morimoto Subject: Re: [alsa-devel] [PATCH v2 2/7] ASoC: soc-core: care .ignore_suspend for Component suspend 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On 12/18/19 11:14 AM, Mark Brown wrote: > On Wed, Dec 18, 2019 at 08:54:27AM -0600, Pierre-Louis Bossart wrote: > >> Even for dai links, it's not clear to me what .ignore_suspend means. > > It means exactly what it says, don't do anything on suspend. > >> For Intel machine drivers, the .ignore_suspend flag is used for DMIC links >> which may be used in S0ix/D0ix states. I don't believe this works if there >> are multiple target states, e.g. you would probably want to leave the link >> active in S0ix, but suspend it in S3? > >> I think the current .ignore_suspend settings only work with the assumption >> that applications will close all capture streams before going to S3. > > These numbered suspend states are a platform specific concept, other > systems will typically just suspend or not suspend. It sounds like this > feature does not map onto your systems. Correct. What is not clear to me is how we can specify a behavior that would be dependent on the target states. _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel