diff --git a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
index 31415f69128d1..d9ed0fbe30949 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-r76s.dts
@@ -278,6 +278,10 @@
 	status = "disabled";
 };
 
+&spdif_tx3 {
+	status = "disabled";
+};
+
 &uart6 {
 	status = "okay";
 };
\ No newline at end of file
diff --git a/sound/soc/codecs/hdmi-codec.c b/sound/soc/codecs/hdmi-codec.c
index 2849ea39efc88..f3b9a7de344ac 100644
--- a/sound/soc/codecs/hdmi-codec.c
+++ b/sound/soc/codecs/hdmi-codec.c
@@ -1110,11 +1110,22 @@ static int hdmi_codec_probe(struct platform_device *pdev)
 	if (hcd->i2s) {
 		daidrv[i] = hdmi_i2s_dai;
 		daidrv[i].playback.channels_max = hcd->max_i2s_channels;
+		/* Disable capture for HDMI-TX (output only) to prevent
+		 * PulseAudio from trying to open capture streams which
+		 * causes "Only one simultaneous stream supported!" errors
+		 * and results in mono audio output.
+		 */
+		daidrv[i].capture.channels_min = 0;
+		daidrv[i].capture.channels_max = 0;
 		i++;
 	}
 
-	if (hcd->spdif)
+	if (hcd->spdif) {
 		daidrv[i] = hdmi_spdif_dai;
+		/* Disable capture for HDMI-TX SPDIF (output only) */
+		daidrv[i].capture.channels_min = 0;
+		daidrv[i].capture.channels_max = 0;
+	}
 
 	dev_set_drvdata(dev, hcp);