[pulseaudio-discuss] Issues with HSP profile on Bluetooth Headset

[Jerome Leclanche]

Hi list

I've been debugging all morning issues with the Parrot ZIK 3.0 (and
its two previous model versions) not displaying HSP profile as
available.

Here is the headset in bluetoothctl:

Device A0:14:3D:6B:E6:7F
        Name: Parrot ZIK 3.0 V3.01
        Alias: Parrot ZIK 3.0 V3.01
        Class: 0x240408
        Icon: audio-card
        Paired: yes
        Trusted: yes
        Blocked: no
        Connected: yes
        LegacyPairing: no
        UUID: Audio Sink                (0000110b-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
        UUID: Advanced Audio Distribu.. (0000110d-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control        (0000110e-0000-1000-8000-00805f9b34fb)
        UUID: Handsfree                 (0000111e-0000-1000-8000-00805f9b34fb)
        UUID: PnP Information           (00001200-0000-1000-8000-00805f9b34fb)
        UUID: Vendor specific           (8b6814d3-6ce7-4498-9700-9312c1711f64)
        Modalias: bluetooth:v0043pA003d0000

0000111e-0000-1000-8000-00805f9b34fb is the HSP UUID. HSP profile
shows up eg. in pavucontrol, but is "Unavailable". Digging into it, I
found out pulse cannot find a transport for it.

Attached is a log file of dbus-monitor when the headset is turned on
and automatically connects to pulse.

In the log files, when the device connects, I always see
"bluetoothd[455]: No valid attributes in request" twice in journalctl.
I looked into it (happens in avrpc.c from bluez)... doesn't *look*
related but can't tell for sure.

Compiled the latest (0f48b7c8) pulseaudio with native bluetooth
backend / bluez 5.38-2 on Arch Linux. Bluetooth adapter is an
integrated btusb device.

Fresh out of ideas. Suggestions?

J. Leclanche
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