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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 7288CC3565B for ; Fri, 21 Feb 2020 18:09:33 +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 0341F208E4 for ; Fri, 21 Feb 2020 18:09:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="ExoUNdeY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0341F208E4 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.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 5960016BA; Fri, 21 Feb 2020 19:08:41 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5960016BA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1582308571; bh=UgMVSZKvFSWlp5v/OxbZklqlFRNqAf02Lty8NYzOhwA=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=ExoUNdeYTowaqW9irioYrCq9zluA+l5qM77uq+4529xZgwmdv+JgQ7iikT3zUqloz +s9Zq5ZIYgttuk4vwg2w6FsRx6YOHaOOWURbi1HQljqvc4IMj5YOSsw8vbLScblKOV a+abFckXPM2B1BXx7vm0tYGz0FJd8obIl4boTzHg= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id DE51AF80240; Fri, 21 Feb 2020 19:08:39 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 46F2AF8025F; Fri, 21 Feb 2020 19:08:38 +0100 (CET) Received: from muru.com (muru.com [72.249.23.125]) by alsa1.perex.cz (Postfix) with ESMTP id F1507F800C5 for ; Fri, 21 Feb 2020 19:08:27 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz F1507F800C5 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 060D9807E; Fri, 21 Feb 2020 18:09:08 +0000 (UTC) Date: Fri, 21 Feb 2020 10:08:21 -0800 From: Tony Lindgren To: Peter Ujfalusi Subject: Re: [PATCH] ASoC: ti: Allocate dais dynamically for TDM and audio graph card Message-ID: <20200221180821.GA37466@atomide.com> References: <20200212143543.GI64767@atomide.com> <346dfd2b-23f8-87e0-6f45-27a5099b1066@ti.com> <20200214170322.GZ64767@atomide.com> <20200217231001.GC35972@atomide.com> <5402eba8-4f84-0973-e11b-6ab2667ada85@ti.com> <20200218211631.fxojsxzvttoidfed@earth.universe> <20200220201559.GX37466@atomide.com> <9ea8239f-3b2d-8206-95ee-2789fbae83d4@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9ea8239f-3b2d-8206-95ee-2789fbae83d4@ti.com> Cc: alsa-devel@alsa-project.org, Kuninori Morimoto , Liam Girdwood , linux-kernel@vger.kernel.org, Merlijn Wajer , Aaro Koskinen , Takashi Iwai , Mark Brown , Pavel Machek , Sebastian Reichel , linux-omap@vger.kernel.org, "Arthur D ." , Jarkko Nikula 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" * Peter Ujfalusi [200221 13:21]: > Hi Tony, > > On 20/02/2020 22.15, Tony Lindgren wrote: > > * Peter Ujfalusi [200220 14:16]: > >> On 18/02/2020 23.16, Sebastian Reichel wrote: > >>> I suppose in the end its a question if generic card can provide TDM > >>> support. > >> > >> Sure it can, but can it handle the switching between the paths based on > >> use cases? > >> There should be machine level DAPM widgets to kick codec2codec (MDM6600 > >> - CPAC_voice for example) and also to make sure that when you switch > >> between them the system is not going to get misconfigured. > >> Switching between CPAC and BT route during call? > >> Not allowing VoIP while on call, etc. > > > > Well I guess the key thing to check here is if it's enough to > > keep track of things in the cpcap codec driver. If cpcap is always > > involved, that should be sufficient. > > The codec driver should keep track on what it can do, but should not > start policing the outside world. > The machine driver knows the connections and should tell the components > on what to do. OK that makes senes to me. So I guess now the question is if we can maintain this state in snd-soc-audio-graph-card instead of needing a custom machine driver. Regards, Tony 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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 9BE5EC35657 for ; Fri, 21 Feb 2020 18:08:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CFD9222C4 for ; Fri, 21 Feb 2020 18:08:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727699AbgBUSI1 (ORCPT ); Fri, 21 Feb 2020 13:08:27 -0500 Received: from muru.com ([72.249.23.125]:56780 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725995AbgBUSI0 (ORCPT ); Fri, 21 Feb 2020 13:08:26 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 060D9807E; Fri, 21 Feb 2020 18:09:08 +0000 (UTC) Date: Fri, 21 Feb 2020 10:08:21 -0800 From: Tony Lindgren To: Peter Ujfalusi Cc: Sebastian Reichel , Kuninori Morimoto , Mark Brown , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Aaro Koskinen , "Arthur D ." , Jarkko Nikula , Merlijn Wajer , Pavel Machek Subject: Re: [PATCH] ASoC: ti: Allocate dais dynamically for TDM and audio graph card Message-ID: <20200221180821.GA37466@atomide.com> References: <20200212143543.GI64767@atomide.com> <346dfd2b-23f8-87e0-6f45-27a5099b1066@ti.com> <20200214170322.GZ64767@atomide.com> <20200217231001.GC35972@atomide.com> <5402eba8-4f84-0973-e11b-6ab2667ada85@ti.com> <20200218211631.fxojsxzvttoidfed@earth.universe> <20200220201559.GX37466@atomide.com> <9ea8239f-3b2d-8206-95ee-2789fbae83d4@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9ea8239f-3b2d-8206-95ee-2789fbae83d4@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org * Peter Ujfalusi [200221 13:21]: > Hi Tony, > > On 20/02/2020 22.15, Tony Lindgren wrote: > > * Peter Ujfalusi [200220 14:16]: > >> On 18/02/2020 23.16, Sebastian Reichel wrote: > >>> I suppose in the end its a question if generic card can provide TDM > >>> support. > >> > >> Sure it can, but can it handle the switching between the paths based on > >> use cases? > >> There should be machine level DAPM widgets to kick codec2codec (MDM6600 > >> - CPAC_voice for example) and also to make sure that when you switch > >> between them the system is not going to get misconfigured. > >> Switching between CPAC and BT route during call? > >> Not allowing VoIP while on call, etc. > > > > Well I guess the key thing to check here is if it's enough to > > keep track of things in the cpcap codec driver. If cpcap is always > > involved, that should be sufficient. > > The codec driver should keep track on what it can do, but should not > start policing the outside world. > The machine driver knows the connections and should tell the components > on what to do. OK that makes senes to me. So I guess now the question is if we can maintain this state in snd-soc-audio-graph-card instead of needing a custom machine driver. Regards, Tony