From mboxrd@z Thu Jan  1 00:00:00 1970
From: broonie@opensource.wolfsonmicro.com (Mark Brown)
Date: Wed, 24 Aug 2011 18:27:04 +0100
Subject: [alsa-devel] [PATCH v2 1/1] ASoC: soc-core: check rate for
	symmetry only when pcm is active
In-Reply-To: <4E552F5F.9070801@metafoo.de>
References: <1314183728-23627-1-git-send-email-b29396@freescale.com>
	<4E5520CE.60204@ti.com> <4E552F5F.9070801@metafoo.de>
Message-ID: <20110824172703.GF16653@opensource.wolfsonmicro.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed, Aug 24, 2011 at 07:05:35PM +0200, Lars-Peter Clausen wrote:

> A more sensible solution would in my opinion be to save the current rate in the
> dai struct itself and not in the pcm struct. Upon opening a stream check for
> cpu and codec DAI whether they require symmetry. If they do and are active
> constraint the rate to DAIs rate. This also ensures that if boths DAIs are
> already active and are running at different rates there will be no valid rate
> for the new stream.

We need to store in all three places I think - the symmetry requirement
can also come from the link itself.  But generally this is what we're
actually looking for, yes.