iecset - Add missing help text for -n option

Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/iecset/iecset.c b/iecset/iecset.c
index 44c43abb909ee418cd0903b8d77af3cd17e608fa..8e440788fc55a1e5407c705d15949c36613ec877 100644 (file)
--- a/iecset/iecset.c
+++ b/iecset/iecset.c
@@ -90,6 +90,7 @@ static void usage(void)
        printf("Options:\n");
        printf("    -D device   specifies the control device to use\n");
        printf("    -c card     specifies the card number to use (equiv. with -Dhw:#)\n");
+       printf("    -n number   specifies the control index number (default = 0)\n");
        printf("    -x          dump the dump the AESx hex code for IEC958 PCM parameters\n");
        printf("    -i          read commands from stdin\n");
        printf("Commands:\n");