Hi Tedd, > From the ThP, it supports both old and TLV based HCI_Intel_Read_Version > command after downloading the operational firmware. > Starting from th JfP, it supports both old and TLV based > HCI_Intel_Read_Version command in the operational firmware and it causes > the setup() uses the TLV based setup instead of legacy setup. > > So, as a workaround, this patch checks the fw variant from the TLV based > version and it uses the legacy HCI_Intel_Read_Version command to get the > legacy version information and run the legacy bootloader setup with it. > > Signed-off-by: Tedd Ho-Jeong An <tedd.an@xxxxxxxxx> > --- > drivers/bluetooth/btintel.c | 25 ++++++++++++++++++++++++- > 1 file changed, 24 insertions(+), 1 deletion(-) > > diff --git a/drivers/bluetooth/btintel.c b/drivers/bluetooth/btintel.c > index 57b64d744f0a..f11882d10da7 100644 > --- a/drivers/bluetooth/btintel.c > +++ b/drivers/bluetooth/btintel.c > @@ -2254,10 +2254,33 @@ int btintel_setup_combined(struct hci_dev *hdev) > /* For TLV type device, parse the tlv data */ > btintel_parse_version_tlv(hdev, &ver_tlv, skb); > > + /* Some legacy bootloader devices from JfP supports both old and TLV > + * based HCI_Intel_Read_Version command. But we don't want to use the > + * TLV based setup routines for those old bootloader device. > + * Also, it is not easy to convert TLV based version to the legacy > + * version format. > + * > + * So, as a workaround for those devices, use the legacy > + * HCI_Intel_Read_Version to get the version information and run the > + * legacy bootloader setup. > + */ why is that again? If possible we should convert them. What information is missing from the TLV format that we need? Regards Marcel