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btusb: support for more CSR clones.

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This commit is contained in:
Sorgelig
2021-08-19 06:33:06 +08:00
parent 9788649c0f
commit fbb9903b48
1 changed files with 9 additions and 3 deletions
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12
drivers/bluetooth/btusb.c
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@@ -1889,6 +1889,11 @@ static int btusb_setup_csr(struct hci_dev *hdev)
le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_2_0)
is_fake = true;
else if (le16_to_cpu(rp->lmp_subver) == 0x2512)
is_fake = true;
bt_dev_err(hdev, "lmp_subver = %X, hci_ver = %X, bcdDevice = %X is_fake = %d", le16_to_cpu(rp->lmp_subver), le16_to_cpu(rp->hci_ver), bcdDevice, is_fake);
if (is_fake) {
bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds...");
@@ -1922,10 +1927,11 @@ static int btusb_setup_csr(struct hci_dev *hdev)
* will still be autosuspended when it is not open.
*/
if (bcdDevice == 0x8891 &&
le16_to_cpu(rp->lmp_subver) == 0x1012 &&
((le16_to_cpu(rp->lmp_subver) == 0x2512) ||
(le16_to_cpu(rp->lmp_subver) == 0x1012 &&
le16_to_cpu(rp->hci_rev) == 0x0810 &&
le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_4_0) {
bt_dev_warn(hdev, "CSR: detected a fake CSR dongle using a Barrot 8041a02 chip, this chip is very buggy and may have issues");
le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_4_0))) {
bt_dev_err(hdev, "CSR: detected a fake CSR dongle using a Barrot 8041a02 chip, this chip is very buggy and may have issues");
pm_runtime_allow(&data->udev->dev);