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fix spreadtrum (sprd) broken bluetooth park link status

This commit is contained in:
Paolo Sabatino 2022-06-16 19:52:20 +00:00 committed by baiywt
parent 9da8e5017b
commit 8d3a2361a0
3 changed files with 13 additions and 1 deletions
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6
drivers/bluetooth/hci_ldisc.c
View File

@ -660,6 +660,12 @@ 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);

6
include/net/bluetooth/hci.h
View File

@ -246,6 +246,12 @@ enum {
* HCI after resume.
*/
HCI_QUIRK_NO_SUSPEND_NOTIFIER,
/*
* 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 */

2
net/bluetooth/hci_core.c
View File

@ -510,7 +510,7 @@ static void hci_setup_link_policy(struct hci_request *req)
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);