[alsa-devel] [PATCH 2/2] Quick fix for the audio clocks on SAM9-L9261

Alan Horstmann gineera at aspect135.co.uk
Mon Mar 15 11:32:58 CET 2010

On Friday 12 March 2010 10:02, Benjamin Valentin wrote:
> Signed-off-by: Dimitar Dimitrov <dimitar at olimex.com>
> From 10a85229b2357c89d5170efde5ac0e1cba4c9f9e Mon Sep 17 00:00:00 2001
> From: Dimitar Dimitrov <dimitar at olimex.com>
> Date: Wed, 27 May 2009 08:11:37 +0300
> Subject: [PATCH] Quick fix for the audio clocks on SAM9-L9261
> This patch together with support from SAM9-L9261 hardware fix an issue with
> audio clocks. AT73C213 needs MCLK and BCLK with equal phase. The MCLK from
> AT91SAM9XXX clock output and BCLK from the SSC TK clock output are not
> phase-synchronized. Thus the SAM9-L9261 board provides external hardware
> divison by 8 from MCLK to BCLK, ensuring zero phase difference.
> See: http://www.at91.com/phpbb/viewtopic.php?t=2633

I am interested to examine this issue, but the link seems dead; is the info 
available elsewhere?



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