linux-kernel - [PATCH v1] Bluetooth: Set missing suspend task bits

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Date:   Fri,  4 Dec 2020 11:14:31 +0800
From:   Howard Chung <howardchung@...gle.com>
To:     linux-bluetooth@...r.kernel.org
Cc:     alainm@...omium.org, mmandlik@...omium.org, mcchou@...omium.org,
        marcel@...tmann.org, abhishekpandit@...omium.org,
        apusaka@...omium.org, Howard Chung <howardchung@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v1] Bluetooth: Set missing suspend task bits

From: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>

When suspending, mark SUSPEND_SCAN_ENABLE and SUSPEND_SCAN_DISABLE tasks
correctly when either classic or le scanning is modified.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
Signed-off-by: Howard Chung <howardchung@...gle.com>
Reviewed-by: Alain Michaud <alainm@...omium.org>
---

 net/bluetooth/hci_request.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 80dc451d6e124..71bffd7454720 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -707,6 +707,9 @@ void hci_req_add_le_scan_disable(struct hci_request *req, bool rpa_le_conn)
 		return;
 	}
 
+	if (hdev->suspended)
+		set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
+
 	if (use_ext_scan(hdev)) {
 		struct hci_cp_le_set_ext_scan_enable cp;
 
@@ -1159,6 +1162,11 @@ static void hci_req_set_event_filter(struct hci_request *req)
 		scan = SCAN_PAGE;
 	}
 
+	if (scan)
+		set_bit(SUSPEND_SCAN_ENABLE, hdev->suspend_tasks);
+	else
+		set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
+
 	hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
 }
 
-- 
2.29.2.576.ga3fc446d84-goog