Hi Simon > > rsnd sound driver will handle SSIU from v4.21 via DT. > > Of course it is keeping compatibility, thus, no SSIU settings > > is no problem. > > > > SSIU handles BUSIFn, but rsnd driver had been assumed only BUSIF0 was used. > > Thus, SSIU / BUSIF0 was attached via SSI automatically, > > but it was not enough for TDM Split mode. > > > > To enable TDM Split mode, we need to select BUSIFn via SSIU. > > This patch adds SSIU DT settings to r8a7795. > > > > If we had SSIU DT settings, existing BUSIF0 settings via SSI > > is no longer needed. We want to remove it. > > To avoid git merge timing issue / git bisect issue, > > I will re-post "remove" patch later (= for v4.22). > > Please consider 1st patch and ignore 2nd patch so far. > > Thanks. I have applied the 1st patch for v4.21. And marked the 2nd patch as > deferred. Please repost or ping me once v4.22-rc1 has been released. Thanks. Yes, will do.