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authorChris Lu <chris.lu@mediatek.com>2024-07-04 14:01:12 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-01-09 13:31:52 +0100
commit3aab20eb1989d201aa9f3adf44687ca96d466e9b (patch)
tree39fb0ccc3478e848f553060dcc84b58b57ec8799 /drivers/bluetooth
parent9a466b8693b9add05de99af00c7bdff8259ecf19 (diff)
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Bluetooth: btusb: add callback function in btusb suspend/resume
[ Upstream commit 95f92928ad2215b5f524903e67eebd8e14f99564 ] 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 <chris.lu@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Stable-dep-of: cea1805f165c ("Bluetooth: btusb: mediatek: add callback function in btusb_disconnect") Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/btusb.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 67577933835f..19d371aa8317 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -892,6 +892,9 @@ 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;
@@ -4691,6 +4694,9 @@ 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);
@@ -4794,6 +4800,9 @@ 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);