From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Mon, 11 Mar 2013 21:55:11 +0000 (+0100)
Subject: qv4l2: do nothing if querystd does not detect a standard.
X-Git-Tag: v4l-utils-0.9.4~38
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=82ed71cbb7c52a2d65dfc1797138f101aa21eb8f;p=platform%2Fupstream%2Fv4l-utils.git

qv4l2: do nothing if querystd does not detect a standard.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
---

diff --git a/utils/qv4l2/general-tab.cpp b/utils/qv4l2/general-tab.cpp
index 4c052b5..2b6eec5 100644
--- a/utils/qv4l2/general-tab.cpp
+++ b/utils/qv4l2/general-tab.cpp
@@ -753,7 +753,12 @@ void GeneralTab::qryStdClicked()
 {
 	v4l2_std_id std;
 
-	if (query_std(std)) {
+	if (!query_std(std))
+		return;
+
+	if (std == V4L2_STD_ALL) {
+		info("No standard detected\n");
+	} else {
 		s_std(std);
 		updateStandard();
 	}