[PATCH v2 19/20] ARM: tegra: acer-a500: Enable S/PDIF and HDMI audio

Dmitry Osipenko digetx at gmail.com
Fri Nov 26 17:18:06 CET 2021


Enable S/PDIF controller to enable HDMI audio support on Acer A500.
Use nvidia,fixed-parent-rate property that prevents audio rate conflict
between S/PDIF and I2S.

Signed-off-by: Dmitry Osipenko <digetx at gmail.com>
---
 arch/arm/boot/dts/tegra20-acer-a500-picasso.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
index db388ddd062f..f47b946627c3 100644
--- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
+++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts
@@ -376,8 +376,16 @@ pta {
 		};
 	};
 
+	tegra_spdif: spdif at 70002400 {
+		status = "okay";
+
+		nvidia,fixed-parent-rate;
+	};
+
 	tegra_i2s1: i2s at 70002800 {
 		status = "okay";
+
+		nvidia,fixed-parent-rate;
 	};
 
 	uartb: serial at 70006040 {
-- 
2.33.1



More information about the Alsa-devel mailing list