DTS file of the audio codec MAX98090.I got this DTS file compiled as a .dtbo file, which I added to /boot/firmware/overlays/. However, when I connected the audio codec, I could not get any i2s signal in the Logic analyzer. How can I confirm that this overlay is right? Does it show a mic icon in the top right corner of the GUI?
But when I loaded a random overlay of an audio codec dtoverlay=max98357a in the config.txt file, it neither indicated any mic icon at the top right corner nor showed up in either playback or capture devices. The same happens when I load the overlay of my audio codec. But it showed mic icon when I loaded dtoverlay=adau7002-simple (I2S mic capture) and showed up in the "LIST OF CAPTURE DEVICES".
Now, how can I verify that my .dts file is right? So that I can understand if the problem is with the code or did I miss any crucial step.
Kindly help me sort this out...
Code:
/dts-v1/;/plugin/;/ { compatible = "brcm,bcm2835"; fragment@0 { target = <&i2c_arm>; __overlay__ { #address-cells = <1>; #size-cells = <0>; max98090: audio-codec@10 { compatible = "maxim,max98090"; reg = <0x10>; interrupt-parent = <&gpx3>;// gpio interrupts = <2 0x8>; // Adjust GPIO as needed clocks = <&i2s0 0>; clock-names = "mclk"; #sound-dai-cells = <0>; maxim,dmic-freq = <2500000>; // Default digital mic frequency maxim,micbias = <3>; // Micbias voltage set to 2.8V }; }; }; fragment@1 { target = <&i2s>; __overlay__ { status = "okay"; }; }; fragment@2 { target = <&sound>; __overlay__ { status = "okay"; compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; simple-audio-card,bitclock-master = <&dailink_master>; simple-audio-card,frame-master = <&dailink_master>; simple-audio-card,cpu { sound-dai = <&i2s>; }; dailink_master: simple-audio-card,codec { sound-dai = <&max98090>; }; }; };};But when I loaded a random overlay of an audio codec dtoverlay=max98357a in the config.txt file, it neither indicated any mic icon at the top right corner nor showed up in either playback or capture devices. The same happens when I load the overlay of my audio codec. But it showed mic icon when I loaded dtoverlay=adau7002-simple (I2S mic capture) and showed up in the "LIST OF CAPTURE DEVICES".
Now, how can I verify that my .dts file is right? So that I can understand if the problem is with the code or did I miss any crucial step.
Kindly help me sort this out...
Statistics: Posted by electronics_enthu — Mon Nov 11, 2024 6:46 am
