From 95f92928ad2215b5f524903e67eebd8e14f99564 Mon Sep 17 00:00:00 2001 From: Chris Lu Date: Thu, 4 Jul 2024 14:01:12 +0800 Subject: Bluetooth: btusb: add callback function in btusb suspend/resume Add suspend/resum callback function in btusb_data which are reserved for vendor specific usage during suspend/resume. hdev->suspend will be added before stop traffic in btusb_suspend and hdev-> resume will be added after resubmit urb in btusb_resume. Signed-off-by: Chris Lu Signed-off-by: Sean Wang Signed-off-by: Luiz Augusto von Dentz --- drivers/bluetooth/btusb.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/bluetooth') diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index f44bcd2ba559..96f2e9d2a449 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -895,6 +895,9 @@ struct btusb_data { int (*setup_on_usb)(struct hci_dev *hdev); + int (*suspend)(struct hci_dev *hdev); + int (*resume)(struct hci_dev *hdev); + int oob_wake_irq; /* irq for out-of-band wake-on-bt */ unsigned cmd_timeout_cnt; @@ -4769,6 +4772,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) cancel_work_sync(&data->work); + if (data->suspend) + data->suspend(data->hdev); + btusb_stop_traffic(data); usb_kill_anchored_urbs(&data->tx_anchor); @@ -4872,6 +4878,9 @@ static int btusb_resume(struct usb_interface *intf) btusb_submit_isoc_urb(hdev, GFP_NOIO); } + if (data->resume) + data->resume(hdev); + spin_lock_irq(&data->txlock); play_deferred(data); clear_bit(BTUSB_SUSPENDING, &data->flags); -- cgit v1.2.3