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From 90f869763026e8ff18aeecde217d778f00e4f294 Mon Sep 17 00:00:00 2001
From: Shawn Xiao <b49994@freescale.com>
Date: Tue, 10 Feb 2015 16:11:59 +0800
Subject: [PATCH] MGS-515 [#ccc] Opencv app can't run on imx6sx with cam
This issue is caused by the no support of VIDIOC_QUERYCTRL ioctl
item in latest cam driver.
Modified the errno in check logic to compatible with new driver.
Feb 10, 2015
Upstream-Status: Pending
Signed-off-by: Shawn Xiao <b49994@freescale.com>
---
modules/highgui/src/cap_v4l.cpp | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/modules/highgui/src/cap_v4l.cpp b/modules/highgui/src/cap_v4l.cpp
index c9fca05..8c46b6c 100644
--- a/modules/highgui/src/cap_v4l.cpp
+++ b/modules/highgui/src/cap_v4l.cpp
@@ -707,7 +707,8 @@ static void v4l2_scan_controls(CvCaptureCAM_V4L* capture)
} else {
- if (errno == EINVAL)
+ if (errno == ENOTTY ||
+ errno == EINVAL)
continue;
perror ("VIDIOC_QUERYCTRL");
@@ -774,7 +775,8 @@ static void v4l2_scan_controls(CvCaptureCAM_V4L* capture)
} else {
- if (errno == EINVAL)
+ if (errno == ENOTTY ||
+ errno == EINVAL)
break;
perror ("VIDIOC_QUERYCTRL");
--
2.3.0
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