From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: Required/preferred multichannel order for ALSA Date: Fri, 27 Apr 2012 13:22:26 +0100 Message-ID: <20120427122225.GG18260@opensource.wolfsonmicro.com> References: <4F99BF45.4020909@ti.com> <1335518497.4150.6.camel@odin> <20120427095734.GC18260@opensource.wolfsonmicro.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5888276306062467246==" Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 6CB9C103FD9 for ; Fri, 27 Apr 2012 14:22:28 +0200 (CEST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: Takashi Iwai Cc: "Castaneda Gonzalez, Axel" , alsa-devel , Ricardo Neri , Peter Ujfalusi , "Guiriec, Sebastien" , Liam Girdwood List-Id: alsa-devel@alsa-project.org --===============5888276306062467246== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="S5HS5MvDw4DmbRmb" Content-Disposition: inline --S5HS5MvDw4DmbRmb Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Fri, Apr 27, 2012 at 02:15:57PM +0200, Takashi Iwai wrote: > Mark Brown wrote: > > As well as being able to reorder things there's also the cases where a > > multi-channel link can be assigned to send several independant streams > > rather than actually be a multi-channel link. > True. OTOH, separating to different streams can be done mostly > without extra configuration. The driver may neeed to handle the > open/close race, but basically splitting can be done uniquely just by > the number of channels. Of course, there might be other excpetions > and corner cases, though. Yes, I think it's mostly just a slight generalisation of the same problem from an implementation point of view. --S5HS5MvDw4DmbRmb Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAEBAgAGBQJPmo6OAAoJEBus8iNuMP3dcXAP/AjorxwVHPiAL9t6fes0FEiN WGPK1yPnxXWgQO97u24kl3ZLVPPKXCN8Nr9+io8lresbrsqVrLL3YFFKhjSBOcgf EGJm2nrzG9tnZD3+aF6zUV8Voan2R8sCj+9WvlIGxHXS48+wQejAdZmcyqB3GHsg /j5AKtdAHgLxMoSMg0kkb1kLmwFkYey6WGstgh6tBhKXHwnWi+Exx2hzlN9Bbfr+ IBDX140gGDj1U2l6Srz+kLGh13IEJcQCvOETJ/mleK2+sZdfzYYh1JtsILzt8Vus eovPzFphIidcHDRtYSYkJTWRPl9jLmMigoGE8bxwo7McS4Xb98XqCtWd6WpNsCCI tbeHavy9tT+Uhlf8N9LtoE9okeSxlMDSmWAzy8zUE/t8olwlimzZMIzDAUYAeu5F naP5DkpDGSM1IBKT6icm54iOAa/cpX5XknOiNymCJyE3JbZrt+okNDYo9kxPykAo PfJ0PSuAZZ/F8xKWasn7h2JKsoD6IoXNU8m6ozXYbMBPQj50kSSuOOcPHSSgS+kf P+IRIFPHECUHe8Hcyl5rw6/yDh2jEzxYFKPpOuEf7m2BAHipkzTvefJgZwWCKKFR jTkESLRgnN3M7j+dcRS3eDUUKfKV+IFVisvgQQOX9hijP23JBuqSQPTkLmMmYSnD Z9qWnA0QbS7j/vsXgsgk =kH6a -----END PGP SIGNATURE----- --S5HS5MvDw4DmbRmb-- --===============5888276306062467246== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline --===============5888276306062467246==--