Hi Andre,
> 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);
why are we using the canceled variable here? Seems pointless.
> + 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;
> +}
> +
Regards
Marcel
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