From mboxrd@z Thu Jan  1 00:00:00 1970
From: Timur Tabi <timur@tabi.org>
Subject: Re: [alsa-devel] [PATCH] ASoC: fsl-ssi: fix SDMA starvation
Date: Wed, 13 Nov 2013 08:15:21 -0600
Message-ID: <52838979.7060309@tabi.org>
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To: Markus Pargmann <mpa@pengutronix.de>
Cc: alsa-devel mailing list <alsa-devel@alsa-project.org>, Juergen Beisert <jbe@pengutronix.de>, Liam Girdwood <lgirdwood@gmail.com>, stable@vger.kernel.org, Mark Brown <broonie@kernel.org>, Sascha Hauer <kernel@pengutronix.de>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>
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Markus Pargmann wrote:
> Is it necessary to keep TDMAE enabled the whole time? In the patch we
> enable it when playback starts and disable when it stops, so the
> communication between DMA and SSI shouldn't be disturbed.

I will have to test it to be sure, but there's a risk that the bit won't 
be set early enough.  I've seen weird problems like that on my board.