diff mbox series

Bluetooth: hci_sync: fix BR/EDR wakeup bug

Message ID 20231205024137.601987-1-15013537245@163.com
State Superseded
Headers show
Series Bluetooth: hci_sync: fix BR/EDR wakeup bug | expand

Commit Message

15013537245@163.com Dec. 5, 2023, 2:41 a.m. UTC 
From: Clancy Shang <clancy.shang@quectel.com>

when Bluetooth set the event mask and enter suspend, the controller
has hci mode change event comming,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>
---
 net/bluetooth/hci_sync.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index a15ab0b874a9..a26a58cb2c38 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3800,12 +3800,14 @@  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));