From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: Re: [PATCH 4/4] ASoC: Flag the i.MX SSI driver as using symmetric rates Date: Mon, 11 Jan 2010 11:36:31 +0000 Message-ID: <20100111113631.GE3440@sirena.org.uk> References: <1262967598-4096-1-git-send-email-broonie@opensource.wolfsonmicro.com> <1262967598-4096-4-git-send-email-broonie@opensource.wolfsonmicro.com> <20100111112047.GT6923@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cassiel.sirena.org.uk (cassiel.sirena.org.uk [80.68.93.111]) by alsa0.perex.cz (Postfix) with ESMTP id F177824586 for ; Mon, 11 Jan 2010 12:36:32 +0100 (CET) Content-Disposition: inline In-Reply-To: <20100111112047.GT6923@pengutronix.de> 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: Sascha Hauer Cc: Timur Tabi , alsa-devel@alsa-project.org, Javier Martin , Liam Girdwood List-Id: alsa-devel@alsa-project.org On Mon, Jan 11, 2010 at 12:20:47PM +0100, Sascha Hauer wrote: > Why this limitation? I can successfully record with 16000Hz while > playing at 48000Hz on my PCM037 board. What is missing in the driver to > 'officially' support asymmetric rates? At least some of the driver was unconditionally setting both TX and RX configuration simultaneously, though looking again hw_params() is OK. I'll drop the patch. Like I say, I've never actually seen the driver working - even when configured as the master it doesn't seem to do any DMA (well, FIQs).