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Date: Mon, 9 Nov 2020 15:57:23 +0800 From: Howard Chung <howardchung@...gle.com> To: linux-bluetooth@...r.kernel.org, marcel@...tmann.org, luiz.dentz@...il.com Cc: mmandlik@...omium.org, alainm@...omium.org, mcchou@...omium.org, Howard Chung <howardchung@...gle.com>, Abhishek Pandit-Subedi <abhishekpandit@...omium.org>, "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 v7 2/5] Bluetooth: Handle system suspend resume case 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. Commit-changes 5: - Remove the change in hci_req_config_le_suspend_scan Signed-off-by: Howard Chung <howardchung@...gle.com> Reviewed-by: Alain Michaud <alainm@...omium.org> Reviewed-by: Manish Mandlik <mmandlik@...omium.org> Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org> Reviewed-by: Miao-chen Chou <mcchou@...omium.org> --- (no changes since v1) net/bluetooth/hci_request.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c index 70ea126f56282..b615b981be9d6 100644 --- a/net/bluetooth/hci_request.c +++ b/net/bluetooth/hci_request.c @@ -1284,8 +1284,10 @@ 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); -- 2.29.2.222.g5d2a92d10f8-goog
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