[PATCH] Bluetooth: btmtk: add quirk to support HCI_QUIRK_SIMULTANEOUS_DISCOVERY
Chris Lu (陸稚泓)
Chris.Lu at mediatek.com
Sun Dec 15 18:44:15 PST 2024
Hi Paul,
Thanks for your input,
On Fri, 2024-12-13 at 10:46 +0100, Paul Menzel wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
>
>
> Dear Chris,
>
>
> Thank you for your patch.
>
>
> Am 13.12.24 um 10:41 schrieb Chris Lu:
> > Add quirk to support HCI_QUIRK_SIMULTANEOUS_DISCOVERY feature for
> > MT79xx
> > series chipset.
>
> It’d be great if you elaborated. What is the problem. Why is a quirk
> needed? Is a firmware update going to fix it?
This quirk is related to do BR/EDR inquiry and LE scan simultaneously.
More detailed was described in hci.h.
Due to requirement from customer and other chip vendors also enable
HCI_QUIRK_SIMULTANEOUS_DISCOVERY, MediaTek upload this patch to enable
the feature as well. There is no need to update firmware.
>
> > Signed-off-by: Chris Lu <chris.lu at mediatek.com>
> > ---
> > drivers/bluetooth/btmtk.c | 3 +++
> > 1 file changed, 3 insertions(+)
> >
> > diff --git a/drivers/bluetooth/btmtk.c b/drivers/bluetooth/btmtk.c
> > index 8a3f7c3fcfec..562d6ecf0b71 100644
> > --- a/drivers/bluetooth/btmtk.c
> > +++ b/drivers/bluetooth/btmtk.c
> > @@ -1367,6 +1367,9 @@ int btmtk_usb_setup(struct hci_dev *hdev)
> > return err;
> > }
> >
> > + /* Apply common HCI quirks for MediaTek chipset */
> > + set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev-
> > >quirks);
> > +
>
> The commit message only talks about MT79xx series chipset. The
> comment
> talks about all MediaTek chipsets.
I'll modify commit message to avoid ambiguity and upload another
version.
Thanks a lot,
Chris Lu
>
> > hci_set_msft_opcode(hdev, 0xFD30);
> > hci_set_aosp_capable(hdev);
>
>
> Kind regards,
>
> Paul
More information about the Linux-mediatek
mailing list