On Sat, Dec 04, 2021 at 05:37:16PM +0300, Dmitry Osipenko wrote: > Support new nvidia,fixed-parent-rate device-tree property which instructs > I2S that board wants parent clock rate to stay at a fixed rate. This allows > to play audio over S/PDIF and I2S simultaneously. The root of the problem > is that audio components on Tegra share the same audio PLL, and thus, only > a subset of rates can be supported if we want to play audio simultaneously. > Filter out audio rates that don't match parent clock rate if device-tree > has the nvidia,fixed-parent-rate property. > > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > sound/soc/tegra/tegra20_i2s.c | 49 +++++++++++++++++++++++++++++++++++ > 1 file changed, 49 insertions(+) Acked-by: Thierry Reding <treding@xxxxxxxxxx>
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