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[v5,2/4] Bluetooth: Handle system suspend resume case

Message ID 20200923172129.v5.2.I3774a8f0d748c7c6ec3402c4adcead32810c9164@changeid (mailing list archive)
State New, archived
Headers show
Series [v5,1/4] Bluetooth: Interleave with allowlist scan | expand

Commit Message

Yun-hao Chung Sept. 23, 2020, 9:22 a.m. UTC 
This patch adds code to handle the system suspension during interleave
scan. The interleave scan will be canceled when the system is going to
sleep, and will be restarted after waking up.

Signed-off-by: Howard Chung <howardchung@google.com>
Reviewed-by: Alain Michaud <alainm@chromium.org>
Reviewed-by: Manish Mandlik <mmandlik@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
---

Changes in v5:
- Remove the change in hci_req_config_le_suspend_scan

 net/bluetooth/hci_request.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index ba3016cc0b573..db44680fbe9c9 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -1281,8 +1281,10 @@  void hci_req_prepare_suspend(struct hci_dev *hdev, enum suspended_state next)
 		hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &page_scan);
 
 		/* Disable LE passive scan if enabled */
-		if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+		if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
+			cancel_interleave_scan(hdev);
 			hci_req_add_le_scan_disable(&req, false);
+		}
 
 		/* Mark task needing completion */
 		set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);