The system can be figured to accept and use debug keys. Expose this
value in debugfs for debugging purposes.
Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
---
net/bluetooth/hci_core.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index d47c8ec..94d5342 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -215,6 +215,24 @@ static const struct file_operations link_keys_fops = {
.release = single_release,
};
+static ssize_t use_debug_keys_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) ? 'Y': 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static const struct file_operations use_debug_keys_fops = {
+ .open = simple_open,
+ .read = use_debug_keys_read,
+ .llseek = default_llseek,
+};
+
static int dev_class_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
@@ -1166,6 +1184,8 @@ static int __hci_init(struct hci_dev *hdev)
hdev, &inquiry_cache_fops);
debugfs_create_file("link_keys", 0400, hdev->debugfs,
hdev, &link_keys_fops);
+ debugfs_create_file("use_debug_keys", 0444, hdev->debugfs,
+ hdev, &use_debug_keys_fops);
debugfs_create_file("dev_class", 0444, hdev->debugfs,
hdev, &dev_class_fops);
debugfs_create_file("voice_setting", 0444, hdev->debugfs,
--
1.8.3.1
--
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