On Tue, Apr 28, 2020 at 10:54:00AM +0200, Clément Péron wrote:
> Hi Maxime,
>
> On Tue, 28 Apr 2020 at 10:00, Maxime Ripard <maxime@xxxxxxxxxx> wrote:
> >
> > On Sun, Apr 26, 2020 at 02:04:39PM +0200, Clément Péron wrote:
> > > From: Marcus Cooper <codekipper@xxxxxxxxx>
> > >
> > > Add a simple-soundcard to link audio between HDMI and I2S.
> > >
> > > Signed-off-by: Jernej Skrabec <jernej.skrabec@xxxxxxxx>
> > > Signed-off-by: Marcus Cooper <codekipper@xxxxxxxxx>
> > > Signed-off-by: Clément Péron <peron.clem@xxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 21 +++++++++++++++++++
> > > 1 file changed, 21 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > index e56e1e3d4b73..08ab6b5e72a5 100644
> > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > @@ -102,6 +102,25 @@
> > > status = "disabled";
> > > };
> > >
> > > + hdmi_sound: hdmi-sound {
> > > + compatible = "simple-audio-card";
> > > + simple-audio-card,format = "i2s";
> > > + simple-audio-card,name = "allwinner,hdmi";
> >
> > I'm not sure what the usual card name should be like though. I would assume that
> > this should be something specific enough so that you're able to differentiate
> > between boards / SoC so that the userspace can choose a different configuration
> > based on it?
>
> I really don't know what we should use here,
> I just have a look at other SoC:
> rk3328: "HDMI"
> rk3399: "hdmi-sound"
> r8a774c0-cat874: "CAT874 HDMI sound"
>
> But maybe it's time to introduce proper name:
> What about :
> sun50i-a64-hdmi
> sun50i-h6-hdmi
It's pretty much what we've been using for the other sound cards we have, so it
makes sense to me.
> How should we handle this with h3 / h5 ?
> settings the simple-audio-card,name in each SoC dts?
> Or using sun50i-h3-hdmi as they are both identical?
Yeah, we can do the latter
Maxime
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