[alsa-devel] ASoC: Hooking a TI CODEC to a i.MX27 MCU

Mark Brown broonie at opensource.wolfsonmicro.com
Thu Jun 3 13:57:22 CEST 2010

On Thu, Jun 03, 2010 at 09:43:49PM +1000, Stuart Longland wrote:

> I will have a look at that.  Out of interest, is there an up-to-date
> guide on this information?  I'm finding it difficult to find all these
> functions, much less understand what they do.

If you generate the kerneldoc it should cover most things I guess.

> I'm working on the mixer interface at present... as the ADC won't record
> anything useful unless the mixer is configured right.  My problem
> though, is trying to understand what all the macros do.  Is there a good
> reference on how to write these drivers?

Not really - in general it's just a question of looking at each
individual control that the device has and mapping that into the ASoC
domain.  There's generally a 1:1 mapping between the controls in the
register map and ASoC.

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