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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-13 05:04:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-13 05:04:45 +0000
commite90ea0ed823e78a0340790fd91c62bd837310596 (patch)
treec8b20f98df1b08ed81d621e9464e9dfb6ac5d963 /net/bluetooth/hci_sync.c
parentAdding upstream version 6.10.3. (diff)
downloadlinux-e90ea0ed823e78a0340790fd91c62bd837310596.tar.xz
linux-e90ea0ed823e78a0340790fd91c62bd837310596.zip
Adding upstream version 6.10.4.upstream/6.10.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/bluetooth/hci_sync.c')
-rw-r--r--net/bluetooth/hci_sync.c21
1 files changed, 21 insertions, 0 deletions
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