Re: [PATCH 0/3] Bluetooth: btusb: MediaTek ISO data transmission support

From: Luiz Augusto von Dentz
Date: Wed May 29 2024 - 11:21:48 EST


Hi,

On Tue, May 28, 2024 at 11:30 PM Chris Lu <chris.lu@xxxxxxxxxxxx> wrote:
>
> Since SIG hasn't clearly defined the specification about ISO data over USB
> transmission yet, MediaTek adopts a method by adding an additional interrupt
> endpoint for ISO data transmission which is different from current way
> on Bluetooth upstream driver using existed bulk. Interrupt endpoint has
> guaranteed bandwidth, sufficient max data length for LE audio packet and
> support error checking. These characteristics are similar to the use of ISO data.
>
> Chris Lu (3):
> Bluetooth: net: add hci_iso_hdr function for iso data
> Bluetooth: btmtk: add macro to get/set/clear MediaTek defined flags
> Bluetooth: btusb: mediatek: add MediaTek ISO data transmission
> function
>
> drivers/bluetooth/btmtk.c | 35 +++++
> drivers/bluetooth/btmtk.h | 46 ++++++
> drivers/bluetooth/btusb.c | 293 +++++++++++++++++++++++++++++++++++-
> include/net/bluetooth/hci.h | 5 +
> 4 files changed, 378 insertions(+), 1 deletion(-)

This probably needs to be handled in btmtk.c though, since it is not
standard we shall avoid having vendor specific transports like this in
btusb.c


--
Luiz Augusto von Dentz