[PATCH v3 5/7] ASoC: soc-dai: add common operation to set TDM idle mode

[Mark Brown]

On Tue, Mar 03, 2026 at 07:10:49PM +1000, James Calligeros wrote:
> On Tuesday, 3 March 2026 12:11:50 pm Australian Eastern Standard Time Kuninori 
> Morimoto wrote:

> > > +int snd_soc_dai_set_tdm_idle(struct snd_soc_dai *dai,
> > > +			     unsigned int tx_mask, unsigned int rx_mask,
> > > +			     int tx_mode, int rx_mode);

> > Do we need "rx_mode" ?
> > Only "tx_mode" is enough if my understanding was correct.

> For our (Asahi) purposes yes, we only require TX. However, TAS2770 also
> has a bus keeper on SDIN, and I suspect other hardware may too. Rather than
> break the API later on should the need to configure this arise,
> I decided to add the capability now. I am happy to get rid of it if
> we think it is superfluous at this time though.

I do think it's reasonable to keep things symmetric, it's probably
better to have an API that's consistent even if some of the code doesn't
currently get used.
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