-c card

       Select  the  card number to control. The device name created from this parameter has syntax 'hw:N'
       where N is specified card number.

-D device

       Select the device name to control. The default control name is 'default'.

-s | --stdin

       Read from stdin and execute the command on each line sequentially.  When this option is given, the
       command in command-line arguments is ignored.

       Only  sset  and cset are accepted.  Other commands are ignored.  The commands to unmatched ids are
       ignored without errors too.

-h     Help: show syntax.

-q     Quiet mode. Do not show results of changes.