/usr/bin/alsaucm

Usage: /usr/bin/alsaucm <options> [command]

Available options:
  -h,--help                  this help
  -c,--card NAME             open card NAME
  -i,--interactive           interactive mode
  -b,--batch FILE            batch mode (use '-' for the stdin input)
  -n,--no-open               do not open first card found

Available commands:
  open NAME                  open card NAME
  reset                      reset sound card to default state
  reload                     reload configuration
  listcards                  list available cards
  dump FORMAT                dump all config information (format: text,json)
  list IDENTIFIER            list command, for items with value + comment
  list1 IDENTIFIER           list command, for items without comments
  get IDENTIFIER             get string value
  geti IDENTIFIER            get integer value
  set IDENTIFIER VALUE       set string value
  h,help                     help
  q,quit                     quit