From: Sudha Bheemanna <b.sudha@samsung.com>
Date: Thu, 8 Sep 2016 09:24:54 +0000 (+0530)
Subject: Bluetooth: Enable inquiry and page scan
X-Git-Tag: accepted/tizen/unified/20190701.111735~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7a4bf890784df8359e73bcca7ab1f18015872f1c;p=platform%2Fkernel%2Flinux-rpi3.git

Bluetooth: Enable inquiry and page scan

This patch enables the inquiry and page scan after ACL
disconnection with one device and if there are no other
devices connected.

Change-Id: Ifb28be7d23f237d35112b2e0739ed55169baacf7
Signed-off-by: Sudha Bheemanna <b.sudha@samsung.com>
Signed-off-by: Amit Purwar <amit.purwar@samsung.com>
---

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 5fec8e6..d464399 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2815,6 +2815,22 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
 	if (type == LE_LINK)
 		hci_req_reenable_advertising(hdev);
 
+#ifdef TIZEN_BT
+	if (type == ACL_LINK && !hci_conn_num(hdev, ACL_LINK)) {
+		int iscan;
+		int pscan;
+
+		iscan = test_bit(HCI_ISCAN, &hdev->flags);
+		pscan = test_bit(HCI_PSCAN, &hdev->flags);
+		if (!iscan && !pscan) {
+			u8 scan_enable = SCAN_PAGE;
+
+			hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE,
+				     sizeof(scan_enable), &scan_enable);
+		}
+	}
+#endif
+
 unlock:
 	hci_dev_unlock(hdev);
 }