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Subject: v4l2-compliance: report "Not supported" if VIDIOC_G_PRIORITY is not 
supported.
Author:  Hans Verkuil <hverk...@xs4all.nl>
Date:    Sat Jan 8 12:55:04 2011 +0100

Currently v4l2-compliance just reports FAIL in that case.

Signed-off-by: Hans Verkuil <hverk...@xs4all.nl>

 utils/v4l2-compliance/v4l2-compliance.cpp |   22 ++++++++++++++--------
 1 files changed, 14 insertions(+), 8 deletions(-)

---

http://git.linuxtv.org/v4l-utils.git?a=commitdiff;h=88ff2498fae67a170027c6860463d84e9f943cb8

diff --git a/utils/v4l2-compliance/v4l2-compliance.cpp 
b/utils/v4l2-compliance/v4l2-compliance.cpp
index 3e25ad8..ef77662 100644
--- a/utils/v4l2-compliance/v4l2-compliance.cpp
+++ b/utils/v4l2-compliance/v4l2-compliance.cpp
@@ -237,8 +237,12 @@ static int testCap(int fd)
 static int check_prio(int fd, int fd2, enum v4l2_priority match)
 {
        enum v4l2_priority prio;
+       int err;
 
-       if (doioctl(fd, VIDIOC_G_PRIORITY, &prio, "VIDIOC_G_PRIORITY"))
+       err = doioctl(fd, VIDIOC_G_PRIORITY, &prio, "VIDIOC_G_PRIORITY");
+       if (err == EINVAL)
+               return ENOSYS;
+       if (err)
                return -1;
        if (prio != match) {
                if (verbose) printf("wrong priority returned (%d, expected 
%d)\n", prio, match);
@@ -256,29 +260,31 @@ static int check_prio(int fd, int fd2, enum v4l2_priority 
match)
 static int testPrio(int fd, int fd2)
 {
        enum v4l2_priority prio;
+       int err;
 
-       if (check_prio(fd, fd2, V4L2_PRIORITY_DEFAULT))
-               return -1;
+       err = check_prio(fd, fd2, V4L2_PRIORITY_DEFAULT);
+       if (err)
+               return err;
 
        prio = V4L2_PRIORITY_RECORD;
        if (doioctl(fd, VIDIOC_S_PRIORITY, &prio, "VIDIOC_S_PRIORITY"))
-               return -2;
+               return -10;
        if (check_prio(fd, fd2, V4L2_PRIORITY_RECORD))
-               return -3;
+               return -11;
 
        prio = V4L2_PRIORITY_INTERACTIVE;
        if (!doioctl(fd2, VIDIOC_S_PRIORITY, &prio, "VIDIOC_S_PRIORITY")) {
                if (verbose) printf("Can lower prio on second filehandle\n");
-               return -4;
+               return -12;
        }
        prio = V4L2_PRIORITY_INTERACTIVE;
        if (doioctl(fd, VIDIOC_S_PRIORITY, &prio, "VIDIOC_S_PRIORITY")) {
                if (verbose) printf("Could not lower prio\n");
-               return -5;
+               return -13;
        }
        
        if (check_prio(fd, fd2, V4L2_PRIORITY_INTERACTIVE))
-               return -3;
+               return -14;
        return 0;
 }
 

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