(In reply to Takashi Iwai from comment #13) > The next step is try to adjust the mixer values manually after > suspend/resume and see whether it influences on the behavior. > > Unfortunately the alsactl contents are empty in alsa-info.sh outputs by some > reason. Could you run the following as root, and attach to Bugzilla? > > alsactl -f /tmp/alsactl.out store Hi, I forgot to attach the alsactl.out I was able to generate after creating 60-usb-audio.conf Hopefully it will says why my right channel is lower in volume.