Our custom carrier(Nano as the module) has sgtl5000 with headphone out and line-in interfaces.
Headphone out is working.(aplay -v <snd.wav> works. It is using the sound card as expected)
I need some directions on testing Line-in.
I tried the following:
Connected an audio jack from my PC’s line-out to line-in of carrier board
From Nano, executed “arecord snd.wav”
Played a sound file (wav file) from PC.
However, nothing is captured.
I am not sure whether this is the right approach.
Any inputs will be much appreciated.