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author | Chris Lu <chris.lu@mediatek.com> | 2024-07-04 14:01:12 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-01-09 13:31:52 +0100 |
commit | 3aab20eb1989d201aa9f3adf44687ca96d466e9b (patch) | |
tree | 39fb0ccc3478e848f553060dcc84b58b57ec8799 /drivers/bluetooth | |
parent | 9a466b8693b9add05de99af00c7bdff8259ecf19 (diff) | |
download | linux-3aab20eb1989d201aa9f3adf44687ca96d466e9b.tar.gz linux-3aab20eb1989d201aa9f3adf44687ca96d466e9b.tar.bz2 linux-3aab20eb1989d201aa9f3adf44687ca96d466e9b.zip |
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.c | 9 |
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); |