Bluetooth: Read current IAC LAP on controller setup

Read the current IAC LAP values when initializing the controller. The
values are not used, but it is good to have them in the trace files
for debugging purposes.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

2 files changed, 5 insertions, 0 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 8567f44aa618..b096f5f73789 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -821,6 +821,8 @@ struct hci_rp_read_num_supported_iac {
         __u8    num_iac;
 } __packed;
 
+#define HCI_OP_READ_CURRENT_IAC_LAP     0x0c39
+
 #define HCI_OP_WRITE_INQUIRY_MODE       0x0c45
 
 #define HCI_MAX_EIR_LENGTH              240
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index b5ef05e66a2d..7add9c96e32c 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -373,6 +373,9 @@ static void bredr_setup(struct hci_request *req)
         /* Read Number of Supported IAC */
         hci_req_add(req, HCI_OP_READ_NUM_SUPPORTED_IAC, 0, NULL);
 
+        /* Read Current IAC LAP */
+        hci_req_add(req, HCI_OP_READ_CURRENT_IAC_LAP, 0, NULL);
+
         /* Clear Event Filters */
         flt_type = HCI_FLT_CLEAR_ALL;
         hci_req_add(req, HCI_OP_SET_EVENT_FLT, 1, &flt_type);