From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Rhodes Subject: Re: ASoC: pxa2xx-i2s Date: Wed, 21 Jan 2009 14:13:12 -0600 Message-ID: <497781D8.50003@acdstar.com> References: <4975E030.5080905@acdstar.com> <4975F160.8040001@gmail.com> <4976042B.6060604@acdstar.com> <49764F15.6080008@acdstar.com> <20090121132313.GA29953@sirena.org.uk> <49775159.7070708@linespeed.net> <20090121193230.GA15911@sirena.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from manowar.linespeed.net (linespeed.net [75.146.159.141]) by alsa0.perex.cz (Postfix) with ESMTP id 52830243E4 for ; Wed, 21 Jan 2009 21:13:26 +0100 (CET) In-Reply-To: <20090121193230.GA15911@sirena.org.uk> 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: Mark Brown Cc: alsa-devel@alsa-project.org, Brian Rhodes List-Id: alsa-devel@alsa-project.org Mark Brown wrote: > On Wed, Jan 21, 2009 at 10:46:17AM -0600, Brian G Rhodes wrote: > >> Mark Brown wrote: >> > > >>> What is the clock master in your system? >>> > > >> The master is the i2s controller sysclk. The dac2x is in slave mode. >> Though the i2s controller isn't directly supplying the bit clock to the >> codec in this case. We're using the PLL on the dac2x. >> > > Just to confirm, the codec is the clock master on the I2S bus itself? > > No, the 270 is the clock master on the I2S bus. The codec is sourcing the clock input using the PLL. I apologize for being unclear.