enable chromebook to work with audio interfaces and to support multiple channel inputs

step1: 

Install Ubuntu on Chromebook with Crouton

step2:

Upgrade Ubuntu, install alsa-base, pulse audio and pulse audio volume control and DAW.

step3:

Run the following command in Ubuntu to enable direct access of hardware.

"sudo usermod -a -G hwaudio your_user"

The last step will enable the DAW in Chromebook Ubuntu to support multiple channel inputs instead of just 2 channels.

 

Reference:

https://chromebook.guide/crouton/

https://github.com/dnschneid/crouton/wiki/Access-audio-hardware-directly-(ALSA,-JACK)

https://www.linux.com/learn/how-easily-install-ubuntu-chromebook-crouton%20