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Bluetooth: Update background scan parameters
author
Andre Guedes
<andre.guedes@openbossa.org>
Wed, 26 Feb 2014 23:21:56 +0000
(20:21 -0300)
committer
Marcel Holtmann
<marcel@holtmann.org>
Thu, 27 Feb 2014 03:41:35 +0000
(19:41 -0800)
If new scanning parameters are set while background scan is running,
we should restart background scanning so these parameters are updated.
Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/bluetooth/mgmt.c
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diff --git
a/net/bluetooth/mgmt.c
b/net/bluetooth/mgmt.c
index 2e6564e47ded995015fcd8ed3cdb55de09c83967..4c4912e9a7c4a0c062fd625e501abd657d4ed279 100644
(file)
--- a/
net/bluetooth/mgmt.c
+++ b/
net/bluetooth/mgmt.c
@@
-3924,6
+3924,21
@@
static int set_scan_params(struct sock *sk, struct hci_dev *hdev,
err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0);
+ /* If background scan is running, restart it so new parameters are
+ * loaded.
+ */
+ if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
+ hdev->discovery.state == DISCOVERY_STOPPED) {
+ struct hci_request req;
+
+ hci_req_init(&req, hdev);
+
+ hci_req_add_le_scan_disable(&req);
+ hci_req_add_le_passive_scan(&req);
+
+ hci_req_run(&req, NULL);
+ }
+
hci_dev_unlock(hdev);
return err;
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