From 0c1f3d18c4c60e972964ce0009cd711d10ab4e1f Mon Sep 17 00:00:00 2001
From: Sameer Pujar <spujar@nvidia.com>
Date: Thu, 29 Feb 2024 13:03:24 +0000
Subject: [PATCH] nv-soc: overlay: Add PCM override device

Add PCM override device as child of sound node. The override device
depends on the sound card and it registers the additional PCM override
mixer controls for the sound card.

Bug 4508166

Change-Id: I117150cfdbab5b9a8db328b1b7c27dfef96ebb0e
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/device/hardware/nvidia/t23x-public-dts/+/3086600
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Mohan kumar <mkumard@nvidia.com>
Reviewed-by: Sharad Gupta <sharadg@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
---
 nv-soc/tegra234-soc-audio-dai-links.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/nv-soc/tegra234-soc-audio-dai-links.dtsi b/nv-soc/tegra234-soc-audio-dai-links.dtsi
index 8324767..8311827 100644
--- a/nv-soc/tegra234-soc-audio-dai-links.dtsi
+++ b/nv-soc/tegra234-soc-audio-dai-links.dtsi
@@ -10,6 +10,12 @@
 	tegra_sound: sound {
 		#sound-dai-cells = <0>;
 
+		/* mixer-controls node provide controls to override PCM params */
+		mixer-controls {
+			compatible = "nvidia,tegra234-mixer-control";
+			status = "okay";
+		};
+
 		/* ADMAIF <--> XBAR PCM links */
 		admaif1_pcm_link: nvidia-audio-card,dai-link@0 {
 			status = "okay";