From 43c86fb0c6a22023172347b2a4eb74e045bb9a06 Mon Sep 17 00:00:00 2001
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Mon, 27 Dec 2021 22:30:28 +0200
Subject: v4l2: v4l2_compat_manager: Print path and fd in openat()

The V4L2 compat layer prints debug messages that mention the file
descriptor of the video device, but no message that links the device
path to the file descriptor. Fix it by adding a debug message in
openat().

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
---
 src/v4l2/v4l2_compat_manager.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/v4l2/v4l2_compat_manager.cpp b/src/v4l2/v4l2_compat_manager.cpp
index 690a191f..c64cdb86 100644
--- a/src/v4l2/v4l2_compat_manager.cpp
+++ b/src/v4l2/v4l2_compat_manager.cpp
@@ -158,6 +158,7 @@ int V4L2CompatManager::openat(int dirfd, const char *path, int oflag, mode_t mod
 	V4L2CameraProxy *proxy = proxies_[ret].get();
 	files_.emplace(efd, std::make_shared<V4L2CameraFile>(efd, oflag & O_NONBLOCK, proxy));
 
+	LOG(V4L2Compat, Debug) << "Opened " << path << " -> fd " << efd;
 	return efd;
 }
 
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