[PATCH] ASoC: tda998x: add a codec to the HDMI transmitter
broonie at kernel.org
Thu Jul 3 03:44:32 PDT 2014
On Thu, Jul 03, 2014 at 07:49:59AM +0200, Jean-Francois Moine wrote:
> Mark Brown <broonie at kernel.org> wrote:
> > I'd expect this to return an error for the busy DAI rather than just
> > silently ignore it failing to start or (better) implement some control
> > to let the user select which of the DAIs is active.
> This is not an error. If the audio subsystem (DPCM, not the user)
> chooses to activate both I2S and S/PDIF, this means the HDMI audio may
> be taken either from I2S or from S/PDIF: both inputs have the right
> format and rate.
Your board happens to only be able to present the same input on both I2S
and S/PDIF but that might not apply to other boards, they may be able to
route different signals to each which would present a practical problem.
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