62 lines
2.1 KiB
Diff
62 lines
2.1 KiB
Diff
|
From 67b790ecbeab3f5493dc8306e87e503e1bb7bcdc Mon Sep 17 00:00:00 2001
|
||
|
|
From: Paolo Sabatino <paolo.sabatino@gmail.com>
|
||
|
|
Date: Sun, 29 Jan 2023 13:43:27 +0000
|
||
|
|
Subject: [PATCH] fix spreadtrum (sprd) bluetooth broken park link status
|
||
|
|
|
||
|
|
---
|
||
|
|
drivers/bluetooth/hci_ldisc.c | 6 ++++++
|
||
|
|
include/net/bluetooth/hci.h | 6 ++++++
|
||
|
|
net/bluetooth/hci_sync.c | 2 +-
|
||
|
|
3 files changed, 13 insertions(+), 1 deletion(-)
|
||
|
|
|
||
|
|
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
|
||
|
|
index 865112e96ff..61ccf31ee71 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 9f6f52d368a..b69f6be67d3 100644
|
||
|
|
--- a/include/net/bluetooth/hci.h
|
||
|
|
+++ b/include/net/bluetooth/hci.h
|
||
|
|
@@ -301,6 +301,12 @@ enum {
|
||
|
|
* during the hdev->setup vendor callback.
|
||
|
|
*/
|
||
|
|
HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG,
|
||
|
|
+
|
||
|
|
+ /*
|
||
|
|
+ * 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 8d6c8cbfe1d..9a743e597bb 100644
|
||
|
|
--- a/net/bluetooth/hci_sync.c
|
||
|
|
+++ b/net/bluetooth/hci_sync.c
|
||
|
|
@@ -3760,7 +3760,7 @@ 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);
|
||
|
|
--
|
||
|
|
2.34.1
|
||
|
|
|