From mboxrd@z Thu Jan  1 00:00:00 1970
From: Liam Girdwood <lrg@ti.com>
Subject: Re: SOC that needs L/R data in separate buffers
Date: Wed, 28 Nov 2012 10:13:50 +0000
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References: <CAKON4OzLvNUNsWXoaBMy+BFT-dhv2sAW6ytPXpTWkKEjoS+w0w@mail.gmail.com>
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To: "jonsmirl@gmail.com" <jonsmirl@gmail.com>
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On 28/11/12 04:13, jonsmirl@gmail.com wrote:
> Is there a format in ALSA for hardware that wants the L/R stereo data
> in two different buffers and not inter-leaved? Hardware has two DMA
> channels into separate FIFOs for L/R.
>

asound.h lists all the supported data formats and we have 
SNDRV_PCM_ACCESS_RW_NONINTERLEAVED for non interleaved hardware.

Regards

Liam