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Bluetooth: Handle system suspend resume case

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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>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Howard Chung
2020-11-26 12:22:22 +08:00
committed by Johan Hedberg
parent c4f1f40816
commit 36afe87ac1
1 changed files with 3 additions and 1 deletions
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4
net/bluetooth/hci_request.c
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@@ -1294,8 +1294,10 @@ 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);