From mboxrd@z Thu Jan 1 00:00:00 1970 From: Liam Girdwood Subject: Re: [PATCH V2] ASoC - Add support for upto 16 channels on OMAP MCBSP Date: Sun, 08 Nov 2009 20:27:01 +0000 Message-ID: <1257712022.15162.2.camel@vega> References: <1257454808.3576.397.camel@odin> <20091106202400.a0ded9c3.jhnikula@gmail.com> <6ed0b2680911071211g311e6399va88ff7daff7b8ed1@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ew0-f221.google.com (mail-ew0-f221.google.com [209.85.219.221]) by alsa0.perex.cz (Postfix) with ESMTP id 82FAA245FB for ; Sun, 8 Nov 2009 21:28:41 +0100 (CET) Received: by ewy21 with SMTP id 21so9200834ewy.32 for ; Sun, 08 Nov 2009 12:28:40 -0800 (PST) In-Reply-To: <6ed0b2680911071211g311e6399va88ff7daff7b8ed1@mail.gmail.com> 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: Grazvydas Ignotas , Jarkko Nikula , Peter Ujfalusi Cc: alsa-devel , Mark Brown , Graeme Gregory List-Id: alsa-devel@alsa-project.org On Sat, 2009-11-07 at 22:11 +0200, Grazvydas Ignotas wrote: > On Fri, Nov 6, 2009 at 8:24 PM, Jarkko Nikula wrote: > > On Thu, 05 Nov 2009 21:00:08 +0000 > > Liam Girdwood wrote: > > > >> From: Graeme Gregory > >> > >> This patch increases the number of supported audio channels from 4 > >> to 16 and has been sponsored by Shotspotter Inc. It also fixes a > >> FSYNC rate calculation bug when McBSP is FSYNC master. > >> > > I would not call it as bug but more like an implementation > > restriction :-) > > > > But as the patch now requires that machine driver using OMAP as a > > master must provide the sample rate generator input clock frequency, I > > would like to hear how it will work on Pandora. > > > > Grazvydas: are you able to test is the Pandora still playing after applying > > patch [1] to omap-mcbsp.c and my patch below to omap3pandora.c? > > > > I made an assumption that input clock frequency on Pandora is > > 8 * 32 * sample_rate. > > Seems to be working fine, tried playing several different sample rates > and also recording path. FYI pandora has TWL4030 256FS clock connected > to OMAP's CLKS pin. > > Tested-by: Grazvydas Ignotas Jarkko, Peter, Any chance we could have your Ack before applying. Thanks Liam