Which Khadas SBC do you use?
S905X3
Which system do you use? Android, Ubuntu, OOWOW or others?
ubuntu20.04
Which version of system do you use? Khadas official images, self built images, or others?
ubuntu20.04 - xfce
Please describe your issue below:
配置TDMB后，系统登陆界面出来前5秒，有持续的噪音播放
Post a console log of your issue below:
dts配置
aml-audio-card,dai-link@1 {
format = "i2s";// "dsp_a";
mclk-fs = <256>;
//continuous-clock;
//bitclock-inversion;
//frame-inversion;
/* master mode */
bitclock-master = <&tdmb>;
frame-master = <&tdmb>;
/* slave mode */
//bitclock-master = <&tdmbcodec>;
//frame-master = <&tdmbcodec>;
/* suffix-name, sync with android audio hal
* what's the dai link used for
*/
suffix-name = "alsaPORT-i2s";
cpu {
sound-dai = <&tdmb>;
dai-tdm-slot-tx-mask = <1 1>;
dai-tdm-slot-rx-mask = <1 1>;
dai-tdm-slot-num = <2>;
/*
* dai-tdm-slot-tx-mask =
* <1 1 1 1 1 1 1 1>;
* dai-tdm-slot-rx-mask =
* <1 1 1 1 1 1 1 1>;
* dai-tdm-slot-num = <8>;
*/
dai-tdm-slot-width = <32>;
system-clock-frequency = <12288000>;
};
tdmbcodec: codec {
sound-dai = <&dummy_codec &dummy_codec
&amlogic_codec /*&ad82584f_62*/>;
};
};
Delete this line and post your log here.