[libcamera-devel] [PATCH 1/2] v4l2: v4l2_compat_manager: Don't print "camera not found" on openat()

[Kieran Bingham]

On 27/08/2021 07:25, Paul Elder wrote:
> Some applications (like Firefox) run open() many times on video device
> nodes. This may lead to user confusion when they see "INFO V4L2Compat
> v4l2_compat_manager.cpp:146 No camera found for /dev/videoX" over and
> over again.
> 
> Lower the log level to debug so that we can still get this information
> on debug, and so users won't see it all the time.

Aha, I have the same change in my local tree! :-)

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
> ---
>  src/v4l2/v4l2_compat_manager.cpp | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/v4l2/v4l2_compat_manager.cpp b/src/v4l2/v4l2_compat_manager.cpp
> index e566125a..690a191f 100644
> --- a/src/v4l2/v4l2_compat_manager.cpp
> +++ b/src/v4l2/v4l2_compat_manager.cpp
> @@ -143,7 +143,7 @@ int V4L2CompatManager::openat(int dirfd, const char *path, int oflag, mode_t mod
>  
>  	ret = getCameraIndex(fd);
>  	if (ret < 0) {
> -		LOG(V4L2Compat, Info) << "No camera found for " << path;
> +		LOG(V4L2Compat, Debug) << "No camera found for " << path;
>  		return fd;
>  	}
>  
>