kernel/Documentation/ABI/testing/configfs-usb-gadget-uac2

   1 What:           /config/usb-gadget/gadget/functions/uac2.name
   2 Date:           Sep 2014
   3 KernelVersion:  3.18
   4 Description:
   5                 The attributes:
   6
   7                 c_chmask - capture channel mask
   8                 c_srate - capture sampling rate
   9                 c_ssize - capture sample size (bytes)
  10                 p_chmask - playback channel mask
  11                 p_srate - playback sampling rate
  12                 p_ssize - playback sample size (bytes)