[alsa-devel] [RFC] sound: ASoC: multiple DAIs/codecs on single audio stream

Mark Brown broonie at kernel.org
Wed Apr 17 16:13:21 CEST 2013

On Tue, Apr 16, 2013 at 07:45:08PM +0200, Sebastian Hesselbarth wrote:

> The controller has a dma controller for one playback buffer. It can
> play the stream to both I2S and SPDIF interfaces with independent mute.

> Now, for example, I have a board with i2s codec and spdif tx diode
> connected to the above controller:

> DMA (platform) -+-> I2S (dai) ----> I2S_Codec (codec)
>                 |
>                 +-> SPDIF (dai) --> SPDIF_TX (codec)

> Is there any way in the current ASoC API to have the above setup?

As discussed on IRC this is probably best represented using soc-pcm at
the minute.
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