Edit your alsamixer settings
alsamixer
Store the changes on a file
alsactl --file /home/<<USER>>/.config/asound.state store
Create autostart restore config for alsamixer
nano /home/<<USER>>/.config/autostart/alsarestore.desktop
Content of this file
[Desktop Entry]
Type=Application
Terminal=false
Name=alsarestore
Exec=alsactl --file /home/<<USER>>/.config/asound.state restore
And reboot to test the need settings...
Source: link