Hi Sylwester, 2018년 03월 08일 02:11에 Sylwester Nawrocki 이(가) 쓴 글: > The #sound-dai-cells DT property is required to describe link between > the HDMI IP block and the SoC's audio subsystem. > > Signed-off-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> > --- > Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt b/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt > index 8715ff06c457..6b2a526ec586 100644 > --- a/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt > +++ b/Documentation/devicetree/bindings/display/exynos/exynos_hdmi.txt > @@ -50,6 +50,9 @@ Required properties for Exynos 5433: > - clock-names: aliases for above clock specfiers. > - samsung,sysreg: handle to syscon used to control the system registers. > > +Optional properties for Exynos 4210, 4212, 5420 and 5433: > + - #sound-dai-cells: should be 0. > + Just trivial question. 'sound-dai-cells' property could affect hdmi driver? I looked into HDMI codec driver but I didn't find relevat code. I mean that if this property never affect HDMI driver then this property would be a dead thing even through this can be declared optionally. Thanks, Inki Dae > Example: > > hdmi { > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html