[PATCH 2/3] Bluetooth: Add suspend reason for device disconnect

[Abhishek Pandit-Subedi]

Update device disconnect event with reason 0x5 to indicate that device
disconnected because the controller is suspending.

Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxxxx>
Reviewed-by: Miao-chen Chou <mcchou@xxxxxxxxxxxx>
Reviewed-by: Sonny Sasaka <sonnysasaka@xxxxxxxxxxxx>
---

 include/net/bluetooth/mgmt.h | 1 +
 net/bluetooth/mgmt.c         | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index d9a88cab379555..1a98f836aad126 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -840,6 +840,7 @@ struct mgmt_ev_device_connected {
 #define MGMT_DEV_DISCONN_LOCAL_HOST	0x02
 #define MGMT_DEV_DISCONN_REMOTE		0x03
 #define MGMT_DEV_DISCONN_AUTH_FAILURE	0x04
+#define MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND	0x05
 
 #define MGMT_EV_DEVICE_DISCONNECTED	0x000C
 struct mgmt_ev_device_disconnected {
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 1c89ae819207ac..fcda479134c756 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -8124,6 +8124,10 @@ void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr,
 	ev.addr.type = link_to_bdaddr(link_type, addr_type);
 	ev.reason = reason;
 
+	/* Report disconnects due to suspend */
+	if (hdev->suspended)
+		ev.reason = MGMT_DEV_DISCONN_LOCAL_HOST_SUSPEND;
+
 	mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk);
 
 	if (sk)
-- 
2.28.0.rc0.142.g3c755180ce-goog