On Thu, Jul 03, 2014 at 07:49:59AM +0200, Jean-Francois Moine wrote: > Mark Brown <broonie@xxxxxxxxxx> 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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