What: /config/usb-gadget/gadget/functions/uac2.name Date: Sep 2014 KernelVersion: 3.18 Description: The attributes: c_chmask - capture channel mask c_srate - capture sampling rate c_ssize - capture sample size (bytes) p_chmask - playback channel mask p_srate - playback sampling rate p_ssize - playback sample size (bytes)