diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c index 865112e96..61ccf31ee 100644 --- a/drivers/bluetooth/hci_ldisc.c +++ b/drivers/bluetooth/hci_ldisc.c @@ -658,6 +658,12 @@ static int hci_uart_register_dev(struct hci_uart *hu) hdev->setup = hci_uart_setup; SET_HCIDEV_DEV(hdev, hu->tty->dev); + // Set the broken Park link status quirk, specific for spreadtrum (sprd) + // bluetooth devices + if (hdev->manufacturer == 0xffff && hu->tty->driver && + strncmp(hu->tty->driver->name, "ttyBT", 5) == 0) + set_bit(HCI_QUIRK_BROKEN_PARK_LINK_STATUS, &hdev->quirks); + if (test_bit(HCI_UART_RAW_DEVICE, &hu->hdev_flags)) set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index b350d9213..69e5d03ff 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -309,6 +309,13 @@ enum { * to support it. */ HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, + + /* + * Device declares that support Park link status, but it really + * does not support it and fails to initialize + */ + HCI_QUIRK_BROKEN_PARK_LINK_STATUS, + }; /* HCI device flags */ diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index e8b78104a..7cf68d554 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -3804,7 +3804,7 @@ static int hci_setup_link_policy_sync(struct hci_dev *hdev) link_policy |= HCI_LP_HOLD; if (lmp_sniff_capable(hdev)) link_policy |= HCI_LP_SNIFF; - if (lmp_park_capable(hdev)) + if (lmp_park_capable(hdev) && !test_bit(HCI_QUIRK_BROKEN_PARK_LINK_STATUS, &hdev->quirks)) link_policy |= HCI_LP_PARK; cp.policy = cpu_to_le16(link_policy);