Messages in this thread | | | Date | Thu, 3 Jul 2014 13:34:06 +0200 | From | Jean-Francois Moine <> | Subject | Re: [PATCH] ASoC: tda998x: add a codec to the HDMI transmitter |
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On Thu, 3 Jul 2014 11:44:32 +0100 Mark Brown <broonie@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.
If there are two different streamss on I2S and S/PDIF, and if the audio subsystem wants to route these streams to the same connector (widget 'hdmi-out'), then, somewhere, there should be a software or a design bug. No?
Anyway, the tda998x cannot know if the double route is wanted or not.
-- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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