From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: Re: [PATCH] ASoC: imx-ssi: Fix mono playback
Date: Tue, 7 Aug 2012 14:26:12 +0100
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To: Trent Piepho <tpiepho@gmail.com>
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On Tue, Aug 07, 2012 at 01:39:26AM -0400, Trent Piepho wrote:

Don't top post!

> It depends on the codec connected to the I2S.  We have SSI that works
> in mono mode, using a modified driver.  Our codec allows mono playback
> by only using the samples on the left channel.

This is extremely common.