#Bluetooth versions hfp driver#
#Bluetooth versions hfp software#

Wide band audio is part of the Hands-free Profile version 1.6: (HFP) However, our adapter is fully compliant to Bluetooth 4.0 core specifications as validated in the Bluetooth SIG QDID 36434. There are some optional modes that don’t have to be present on Bluetooth implementations, such as ‘Bluetooth peripheral mode’, which our adapter does not support. That being said, there is more to Bluetooth than just profile support. All issues relating to audio are the result of issues with BlueZ, Pulseaudio, oFono, and/or ALSA opensource projects. For Linux, the basic support for the hardware is built into the Linux kernel. Profile support is entirely dependent on the capabilities of the OS/Bluetooth stack of the device it is plugged into. The Plugable Bluetooth adapter acts as nothing more than a radio for Bluetooth data transfer.

#Bluetooth versions hfp driver#

I’ve tried getting the firmware file described on SOLVING HFP/HSP AND A2DP PROFILE ISSUES ON LINUX, and I’ve verified that the kernel driver loads it, but it made no difference.ĭoes USB-BT4LE support wide band audio in HFP mode? Bluetooth: hci0: Device does not support ALT setting 6īluetooth: hci0: urb 00000000d0f6c24f submission failed (90)īluetooth: hci0: sending frame failed (-90) These log messages appear when attempting to play audio with mSBC when it doesn’t work on the USB-BT4LE and do not appear when using the built-in adapter.

The failure with wideband voice seems to be lack of support in the Plugable adapter for USB alt mode 6, which is used to transfer mSBC data over USB. A2DP does work (SBC and AAC), and normal 8 kHz CVSD for record and playback works, but sounds poor as expected. When using the Plugable adapter (with multiple computers) it fails.

#Bluetooth versions hfp software#

I’ve gotten it to work on a Pinebook Pro’s built in bluetooth (BCM4345C5 based) with the same software setup. This software does support the 16 kHz mSBC wide band voice mode when using HFP, as well as the better A2DP codecs. Pulse-audio has issues with HFP so I’ve switched to using blue-alsa. It can work in Linux and I’ve done it, just not with the Plugable USB-BT4LE adapter. I’m trying to get the HFP 1.6 wide band audio working with some Bose QC-35 headphones.