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path: root/drivers/media/v4l2-core/v4l2-dev.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-dev.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-dev.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index f9cff033d0dc..b6a72d297775 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -14,6 +14,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/kernel.h>
@@ -38,6 +39,7 @@
__func__, ##arg); \
} while (0)
+static struct dentry *v4l2_debugfs_dir;
/*
* sysfs stuff
@@ -1118,6 +1120,8 @@ static int __init videodev_init(void)
return -EIO;
}
+ v4l2_debugfs_dir = debugfs_create_dir("video4linux", NULL);
+ v4l2_async_debug_init(v4l2_debugfs_dir);
return 0;
}
@@ -1125,6 +1129,7 @@ static void __exit videodev_exit(void)
{
dev_t dev = MKDEV(VIDEO_MAJOR, 0);
+ debugfs_remove_recursive(v4l2_debugfs_dir);
class_unregister(&video_class);
unregister_chrdev_region(dev, VIDEO_NUM_DEVICES);
}