diff options
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_core.c | 7 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 5 | ||||
| -rw-r--r-- | net/bluetooth/hci_sync.c | 21 |
3 files changed, 24 insertions, 9 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 7ae118a6d9..6ecb110bf4 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -120,13 +120,6 @@ void hci_discovery_set_state(struct hci_dev *hdev, int state) case DISCOVERY_STARTING: break; case DISCOVERY_FINDING: - /* If discovery was not started then it was initiated by the - * MGMT interface so no MGMT event shall be generated either - */ - if (old_state != DISCOVERY_STARTING) { - hdev->discovery.state = old_state; - return; - } mgmt_discovering(hdev, 1); break; case DISCOVERY_RESOLVING: diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 4611a67d7d..a78f6d706c 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1722,9 +1722,10 @@ static void le_set_scan_enable_complete(struct hci_dev *hdev, u8 enable) switch (enable) { case LE_SCAN_ENABLE: hci_dev_set_flag(hdev, HCI_LE_SCAN); - if (hdev->le_scan_type == LE_SCAN_ACTIVE) + if (hdev->le_scan_type == LE_SCAN_ACTIVE) { clear_pending_adv_report(hdev); - hci_discovery_set_state(hdev, DISCOVERY_FINDING); + hci_discovery_set_state(hdev, DISCOVERY_FINDING); + } break; case LE_SCAN_DISABLE: diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index bb70408855..2f26147fdf 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -2929,6 +2929,27 @@ static int hci_passive_scan_sync(struct hci_dev *hdev) */ filter_policy = hci_update_accept_list_sync(hdev); + /* If suspended and filter_policy set to 0x00 (no acceptlist) then + * passive scanning cannot be started since that would require the host + * to be woken up to process the reports. + */ + if (hdev->suspended && !filter_policy) { + /* Check if accept list is empty then there is no need to scan + * while suspended. + */ + if (list_empty(&hdev->le_accept_list)) + return 0; + + /* If there are devices is the accept_list that means some + * devices could not be programmed which in non-suspended case + * means filter_policy needs to be set to 0x00 so the host needs + * to filter, but since this is treating suspended case we + * can ignore device needing host to filter to allow devices in + * the acceptlist to be able to wakeup the system. + */ + filter_policy = 0x01; + } + /* When the controller is using random resolvable addresses and * with that having LE privacy enabled, then controllers with * Extended Scanner Filter Policies support can now enable support |