[alsa-devel] [PATCH V2 2/3] add set_tdm_slot in tdm dai to define the relationship between audio channel and tdm slot

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Aug 18 15:11:17 CEST 2009


On Tue, Aug 18, 2009 at 10:53:39AM +0800, Barry Song wrote:
> On Tue, Aug 18, 2009 at 1:50 AM, Mark
> Brown<broonie at opensource.wolfsonmicro.com> wrote:

> > I think what you're trying to describe here is that the device is
> > expecting to see all the left channels on the bus followed by all the
> > right channels?  This is the normal case for I2S TDM so no unusual
> > configuration is required in order to implement it.

> Do you mean you will extend TDM API to handle this? I can follow your
> on-going changes.

It's possible, though I'd not hold my breath since I don't have any
systems which can use it.  Could you confirm which mode your device is
operating in for this configuration - if it's I2S then there should be
nothing needed.


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