/usr/bin/iecset

/usr/bin/iecset: invalid option -- '-'
Usage: iecset [options] [cmd arg...]
Options:
    -D device   specifies the control device to use
    -c card     specifies the card number to use (equiv. with -Dhw:#)
    -n number   specifies the control index number (default = 0)
    -x          dump the dump the AESx hex code for IEC958 PCM parameters
    -i          read commands from stdin
Commands:
    professional (common)
	off = consumer mode, on = professional mode
    audio (common)
	on = audio mode, off = non-audio mode
    rate (common)
	sample rate in Hz (0 = not indicated)
    emphasis (common)
	0 = none, 1 = 50/15us, 2 = CCITT
    lock (prof.)
	off = rate unlocked, on = rate locked
    sbits (prof.)
	sample bits 2 = 20bit, 4 = 24bit, 6 = undef
    wordlength (prof.)
	0=no, 2=22-18bit, 4=23-19bit, 5=24-20bit, 6=20-16bit
    category (consumer)
	0-0x7f
    copyright (consumer)
	off = non-copyright, on = copyright
    original (consumer)
	off = 1st-gen, on = original