imx8qm No Audio Capture

myy — Thu, 07 Jan 2021 01:17:53 GMT

we are use imx8qm and android p9, use esai link to cs42888, use tinycap to capture audio, but there is no audio to capture

tinycap aa.wav -r 48000
Capturing sample: 2 ch, 48000 hz, 16 bit
Captured 0 frames

can anyone help me?

Re: imx8qm No Audio Capture

igorpadykov — Thu, 07 Jan 2021 04:31:55 GMT

Hi myy

one can try to test it in linux, there is cs42888 support in fsl-imx8qm-mek.dtsi :

use sect.7.5 Audio Mixer (AUDMIX) Linux Manual included in Documentation

Best regards
igor