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Bluetooth: hci_sync: fix BR/EDR wakeup bug

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when Bluetooth set the event mask and enter suspend, the controller
has hci mode change event coming, it cause controller can not enter
sleep mode. so it should to set the hci mode change event mask before
enter suspend.

Signed-off-by: clancy shang <clancy.shang@quectel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
clancy shang 2023-12-18 18:24:17 +08:00 committed by Luiz Augusto von Dentz
parent 3c83800a6c
commit d4b70ba1ea
1 changed files with 6 additions and 4 deletions
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10
net/bluetooth/hci_sync.c
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@ -3732,12 +3732,14 @@ static int hci_set_event_mask_sync(struct hci_dev *hdev)
if (lmp_bredr_capable(hdev)) {
events[4] |= 0x01; /* Flow Specification Complete */
/* Don't set Disconnect Complete when suspended as that
* would wakeup the host when disconnecting due to
* suspend.
/* Don't set Disconnect Complete and mode change when
* suspended as that would wakeup the host when disconnecting
* due to suspend.
*/
if (hdev->suspended)
if (hdev->suspended) {
events[0] &= 0xef;
events[2] &= 0xf7;
}
} else {
/* Use a different default for LE-only devices */
memset(events, 0, sizeof(events));