This patch adds to hci_core the hci_cancel_le_scan function which
should be used to cancel an ongoing LE scan.
Signed-off-by: Andre Guedes <andre.guedes@xxxxxxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 1 +
net/bluetooth/hci_core.c | 21 +++++++++++++++++++++
2 files changed, 22 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index daefaac..87bca3e 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1071,5 +1071,6 @@ int hci_do_inquiry(struct hci_dev *hdev, u8 length);
int hci_cancel_inquiry(struct hci_dev *hdev);
int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window,
int timeout);
+int hci_cancel_le_scan(struct hci_dev *hdev);
#endif /* __HCI_CORE_H */
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 59ec99e..0320a02 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1667,6 +1667,27 @@ static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval,
return 0;
}
+int hci_cancel_le_scan(struct hci_dev *hdev)
+{
+ bool canceled;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_bit(HCI_LE_SCAN, &hdev->dev_flags))
+ return -EALREADY;
+
+ canceled = cancel_delayed_work(&hdev->le_scan_disable);
+ if (canceled) {
+ struct hci_cp_le_set_scan_enable cp;
+
+ /* Send HCI command to disable LE Scan */
+ memset(&cp, 0, sizeof(cp));
+ hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
+ }
+
+ return 0;
+}
+
static void le_scan_disable_work(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev,
--
1.7.9.3
--
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