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Subject: v4l2-compliance: Don't perform blocking DQBUF test on MC_IO devices
Author:  Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Date:    Tue Apr 29 23:36:13 2025 +0300

Streaming on MC_IO devices can't be tested by v4l2-compliance as it
requires setting up a valid pipeline first. The blocking DQBUF test
therefore fails to start streaming on those devices. Disable it.

Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Sakari Ailus <sakari.ai...@linux.intel.com>
Reviewed-by: Hans Verkuil <hverk...@xs4all.nl>

 utils/v4l2-compliance/v4l2-test-buffers.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

---

http://git.linuxtv.org/cgit.cgi/v4l-utils.git/commit/?id=60e0120f0ef55d6599ea1c11e151a78625254bf6
diff --git a/utils/v4l2-compliance/v4l2-test-buffers.cpp 
b/utils/v4l2-compliance/v4l2-test-buffers.cpp
index 572973b2b755..30f2b5d17c4f 100644
--- a/utils/v4l2-compliance/v4l2-test-buffers.cpp
+++ b/utils/v4l2-compliance/v4l2-test-buffers.cpp
@@ -3119,7 +3119,7 @@ int testBlockingWait(struct node *node)
        bool can_stream = node->g_caps() & V4L2_CAP_STREAMING;
        int type;
 
-       if (!can_stream || !node->valid_buftypes)
+       if (!can_stream || node->is_io_mc || !node->valid_buftypes)
                return ENOTTY;
 
        buffer_info.clear();

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