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[rk3399 android11]关闭声卡

article 2024/11/17 17:40:00

使用以下命令查看声卡，可以看到目前有三个声卡

cat /proc/asound/cards

修改设备树

diff --git a/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dts b/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dts
  index 515334c127..5b592a852f 100755
  --- a/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dts
  +++ b/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dts
  @@ -118,6 +118,6 @@
};

&hdmi_sound {
  - status = "okay";
  + status = "disabled";
};

diff --git a/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dtsi b/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dtsi
  index 6e66762e96..cbacc6e9bd 100755
  --- a/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dtsi
  +++ b/kernel/arch/arm64/boot/dts/rockchip/rk3399-jw-d039.dtsi
  @@ -452,7 +452,7 @@
};

&dp_sound {
  -       status = "okay";
  +       status = "disabled";
};

&hdmi_in_vopb {
  diff --git a/kernel/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi b/kernel/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
    index 4263f9d89d..25bd362c6d 100644
    --- a/kernel/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
    +++ b/kernel/arch/arm64/boot/dts/rockchip/rk3568-evb.dtsi
    @@ -1088,7 +1088,7 @@
  };

&hdmi_sound {
  -       status = "okay";
  +       status = "disabled";
};

&i2c0 {

修改过后，重新编译代码，烧录固件，再次查看声卡，只剩下一个声卡了