From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Fri, 30 May 2014 23:00:34 +0000 (+0200)
Subject: media-ctl: Document the --links option argument
X-Git-Tag: v4l-utils-1.2.0~46
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b47169fb07e17d77b63e60202960447c2d1f10fd;p=platform%2Fupstream%2Fv4l-utils.git

media-ctl: Document the --links option argument

The --links option take a mandatory argument. Document it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---

diff --git a/utils/media-ctl/options.c b/utils/media-ctl/options.c
index 2e9851e..2135d93 100644
--- a/utils/media-ctl/options.c
+++ b/utils/media-ctl/options.c
@@ -41,7 +41,7 @@ static void usage(const char *argv0, int verbose)
 	printf("    --get-v4l2 pad	Print the active format on a given pad\n");
 	printf("-h, --help		Show verbose help and exit\n");
 	printf("-i, --interactive	Modify links interactively\n");
-	printf("-l, --links		Comma-separated list of links descriptors to setup\n");
+	printf("-l, --links links	Comma-separated list of link descriptors to setup\n");
 	printf("-p, --print-topology	Print the device topology\n");
 	printf("    --print-dot		Print the device topology as a dot graph\n");
 	printf("-r, --reset		Reset all links to inactive\n");
@@ -52,6 +52,7 @@ static void usage(const char *argv0, int verbose)
 
 	printf("\n");
 	printf("Links and formats are defined as\n");
+	printf("\tlinks           = link { ',' link } ;\n");
 	printf("\tlink            = pad '->' pad '[' flags ']' ;\n");
 	printf("\tpad             = entity ':' pad-number ;\n");
 	printf("\tentity          = entity-number | ( '\"' entity-name '\"' ) ;\n");