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