Hi Luiz, >>>>> There seems to be quite a few USB controllers gaining the BTUSB_WIDEBAND_SPEECH which I guess means HW mSBC >>>> >>>> No, it does not mean mSBC. >>>> >>> >>> I forgot, if BTUSB_WIDEBAND_SPEECH does not mean capable of HW mSBC, what does it mean? >> >> BTUSB_WIDEBAND_SPEECH flag is just for usb bluetooth adapters. Not for >> UART or SDIO bluetooth adapters. >> >> It is a hint set for some bluetooth adapters which are on kernel >> whitelist that wideband speech support is possible for them. > > Actually it is meant indicate to application that BT_PKT_STATUS can be > used which enables the implementation of PLC (Packet Loss > Concealment), Ive been advocating to change it or just remove it > entirely and move it to be queried with BT_PKT_STATUS. after we fixed the bug with the SCO packet flags, we might not even need this anymore at all and just enable the error reporting unconditionally. On a side note, I insisted on calling this WIDEBAND_SPEECH option since we should be hiding details behind a single flag and not spread multiple flags for things that need to be combined into one logical feature anyway. Regards Marcel
