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                 =====================   =======================================
   8                 c_chmask                capture channel mask
   9                 c_srate                 list of capture sampling rates (comma-separated)
  10                 c_ssize                 capture sample size (bytes)
  11                 c_hs_bint               capture bInterval for HS/SS (1-4: fixed, 0: auto)
  12                 c_sync                  capture synchronization type
  13                                         (async/adaptive)
  14                 c_mute_present          capture mute control enable
  15                 c_volume_present        capture volume control enable
  16                 c_volume_min            capture volume control min value
  17                                         (in 1/256 dB)
  18                 c_volume_max            capture volume control max value
  19                                         (in 1/256 dB)
  20                 c_volume_res            capture volume control resolution
  21                                         (in 1/256 dB)
  22                 fb_max                  maximum extra bandwidth in async mode
  23                 p_chmask                playback channel mask
  24                 p_srate                 list of playback sampling rates (comma-separated)
  25                 p_ssize                 playback sample size (bytes)
  26                 p_hs_bint               playback bInterval for HS/SS (1-4: fixed, 0: auto)
  27                 p_mute_present          playback mute control enable
  28                 p_volume_present        playback volume control enable
  29                 p_volume_min            playback volume control min value
  30                                         (in 1/256 dB)
  31                 p_volume_max            playback volume control max value
  32                                         (in 1/256 dB)
  33                 p_volume_res            playback volume control resolution
  34                                         (in 1/256 dB)
  35                 req_number              the number of pre-allocated requests
  36                                         for both capture and playback
  37                 function_name           name of the interface
  38                 c_terminal_type         code of the capture terminal type
  39                 p_terminal_type         code of the playback terminal type
  40                 =====================   =======================================