| VS-RK3399在android下面把声音放到最大时候,播放器自动退出问题 VS-RK3399 在android下面把声音放到最大时候,播放器自动退出问题。使用系统自带的Video.apk播放,当声音放到最大时候,播放视频过一会后自动退出,影响ADC采样,干扰了物理键,返回一个back键出来,刚好Video.apk有处理返回键的相应,导致播放时候退出。
 修改方法:
 \kernel\arch\arm64\boot\dts\rockchip\rk3399-android.dtsi
 rk_key: rockchip-key {
 compatible = "rockchip,key";
 status = "okay";
 
 io-channels = <&saradc 1>;
 
 vol-up-key {
 linux,code = <115>;
 label = "volume up";
 rockchip,adc_value = <1>;
 };
 
 vol-down-key {
 linux,code = <114>;
 label = "volume down";
 rockchip,adc_value = <170>;
 };
 
 power-key {
 gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
 linux,code = <116>;
 label = "power";
 gpio-key,wakeup;
 };
 #if 0
 menu-key {
 linux,code = <59>;
 label = "menu";
 rockchip,adc_value = <746>;
 };
 
 home-key {
 linux,code = <102>;
 label = "home";
 rockchip,adc_value = <355>;
 };
 
 back-key {
 linux,code = <158>;
 label = "back";
 rockchip,adc_value = <560>;
 };
 
 camera-key {
 linux,code = <212>;
 label = "camera";
 rockchip,adc_value = <450>;
 };
 #endif
 
 };
 
 按上面操作,把back键去掉
 
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