The following Qualcomm WCN399x Bluetooth controllers support the Microsoft vendor extension and they are using 0xFD70 for VsMsftOpCode. -WCN3990 -WCN3991 -WCN3998
< HCI Command: ogf 0x3f, ocf 0x0170, plen 1 00 > HCI Event: 0x0e plen 18 01 70 FD 00 00 1F 00 00 00 00 00 00 00 04 4D 53 46 54 The following test step was performed. - Boot the device with WCN3991 and verify INFO print in dmesg. Signed-off-by: Miao-chen Chou <mcc...@chromium.org> Reviewed-by: Abhishek Pandit-Subedi <abhishekpan...@chromium.org> Reviewed-by: Archie Pusaka <apus...@chromium.org> --- (no changes since v1) drivers/bluetooth/btqca.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c index f85a55add9be5..ab19963c83616 100644 --- a/drivers/bluetooth/btqca.c +++ b/drivers/bluetooth/btqca.c @@ -517,6 +517,19 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, return err; } + /* WCN399x supports the Microsoft vendor extension with 0xFD70 as the + * VsMsftOpCode. + */ + switch (soc_type) { + case QCA_WCN3990: + case QCA_WCN3991: + case QCA_WCN3998: + hci_set_msft_opcode(hdev, 0xFD70); + break; + default: + break; + } + /* Perform HCI reset */ err = qca_send_reset(hdev); if (err < 0) { -- 2.29.2.684.gfbc64c5ab5-goog