RK3568 linux-5.10 rk809 声卡实现spk hp自动切换

前言

linux中，spk hp是没有自动切换逻辑的，需要我们自己进行添加切换逻辑，本文章实现该逻辑。

一、修改dts

1、kernel/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
index ee4b1c8bdd24..6a3b425609d8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
@@ -216,7 +216,7 @@ rk809_sound: rk809-sound {
   
 		status = "okay"