From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kuninori Morimoto Subject: Re: simle-card DT style for DPCM Date: Tue, 02 Sep 2014 17:11:22 -0700 (PDT) Message-ID: <87fvg97ecd.wl%kuninori.morimoto.gx@gmail.com> References: <877g1o18ka.wl%kuninori.morimoto.gx@gmail.com> <20140901143047.GX29327@sirena.org.uk> <87mwaikdzx.wl%kuninori.morimoto.gx@gmail.com> <20140902113407.GV29327@sirena.org.uk> Mime-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pa0-f46.google.com (mail-pa0-f46.google.com [209.85.220.46]) by alsa0.perex.cz (Postfix) with ESMTP id 2F35726550F for ; Wed, 3 Sep 2014 02:11:26 +0200 (CEST) Received: by mail-pa0-f46.google.com with SMTP id eu11so15821226pac.5 for ; Tue, 02 Sep 2014 17:11:24 -0700 (PDT) In-Reply-To: <20140902113407.GV29327@sirena.org.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Mark Brown Cc: Linux-ALSA , Lars-Peter Clausen , Kuninori Morimoto List-Id: alsa-devel@alsa-project.org Hi Mark > > This means BE don't know who is FE. > > The implementation can be more easy if it has > > connect-to / connect-from property > > (I'm not sure this is good naming...) > > We don't need to get this from DT if it's fixed in the SoC - the driver > for the SoC can know this. The whole front end/back end thing is a bit > of a Linuxism. Yes, FE/BE is very Linuxism, and I know DT shouldn't have Linuxism property. But, "connect" or "remote" is normal in DT ? > the driver for the SoC can know this. I wonder how to know it in driver ? (How to switch normal <-> FE/BE ?, and how to know FE or BE ?) Can you show me objectivization example / idea ? Best regards --- Kuninori Morimoto