diff options
| -rw-r--r-- | include/net/bluetooth/hci.h | 7 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 9 |
2 files changed, 14 insertions, 2 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 400f8a7d0c3f..997107bfc0b1 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -294,6 +294,13 @@ enum { * during the hdev->setup vendor callback. */ HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, + + /* When this quirk is set, max_page for local extended features + * is set to 1, even if controller reports higher number. Some + * controllers (e.g. RTL8723CS) report more pages, but they + * don't actually support features declared there. + */ + HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2, }; /* HCI device flags */ diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index e87c928c9e17..51f13518dba9 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -886,8 +886,13 @@ static u8 hci_cc_read_local_ext_features(struct hci_dev *hdev, void *data, if (rp->status) return rp->status; - if (hdev->max_page < rp->max_page) - hdev->max_page = rp->max_page; + if (hdev->max_page < rp->max_page) { + if (test_bit(HCI_QUIRK_BROKEN_LOCAL_EXT_FEATURES_PAGE_2, + &hdev->quirks)) + bt_dev_warn(hdev, "broken local ext features page 2"); + else + hdev->max_page = rp->max_page; + } if (rp->page < HCI_MAX_PAGES) memcpy(hdev->features[rp->page], rp->features, 8); |