[alsa-devel] [RFC PATCH v3 0/3] ep93xx i2s audio

Liam Girdwood lrg at slimlogic.co.uk
Mon Jun 7 14:45:32 CEST 2010

On Fri, 2010-06-04 at 17:11 +1200, Ryan Mallon wrote:
> The following patch series adds support for i2s audio on the ep93xx,
> with the Snapper CL15 used as an example implementation.
> This version fixes a number of things from the previous round:
>  - Removed unused #defines
>  - Set symmetric rates for the cpu dai
>  - Fixed the sdiv/lrdiv calculation loop
>  - Moved the cpu dai registration
>  - Removed empty ep93xx_pcm_prepare callback
>  - Fixed enable/disable when both capture and playback are running
> Capture still does not work. The dma is running, but the captured data
> is all zeros (tested used arecord and loopback). I have a 2.6.20
> kernel with ep93xx i2s audio working an capture works there on the
> same hardware. I have spent sometime looking into this, but can't see
> the problem. Would appreciate if someone can lend some insight as to
> what I have done wrong.
> Ryan Mallon (3):
>   ep93xx i2s core support
>   ep93xx i2s audio driver
>   Snapper cl15 audio support


Acked-by: Liam Girdwood <lrg at slimlogic.co.uk>
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.

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