Documentation/ABI/testing/configfs-usb-gadget-uac1

   1 What:           /config/usb-gadget/gadget/functions/uac1.name
   2 Date:           June 2017
   3 KernelVersion:  4.14
   4 Description:
   5                 The attributes:
   6
   7                 ==========      ===================================
   8                 c_chmask        capture channel mask
   9                 c_srate         capture sampling rate
  10                 c_ssize         capture sample size (bytes)
  11                 c_mute_present  capture mute control enable
  12                 c_volume_present        capture volume control enable
  13                 c_volume_min    capture volume control min value (in 1/256 dB)
  14                 c_volume_max    capture volume control max value (in 1/256 dB)
  15                 c_volume_res    capture volume control resolution (in 1/256 dB)
  16                 p_chmask        playback channel mask
  17                 p_srate         playback sampling rate
  18                 p_ssize         playback sample size (bytes)
  19                 p_mute_present  playback mute control enable
  20                 p_volume_present        playback volume control enable
  21                 p_volume_min    playback volume control min value (in 1/256 dB)
  22                 p_volume_max    playback volume control max value (in 1/256 dB)
  23                 p_volume_res    playback volume control resolution (in 1/256 dB)
  24                 req_number      the number of pre-allocated request
  25                                 for both capture and playback
  26                 ==========      ===================================