[Bug 214111] rtl8761b usb bluetooth doesn't work following reboot until unplug/replug

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https://bugzilla.kernel.org/show_bug.cgi?id=214111

--- Comment #6 from Marco (rodomar705@xxxxxxxxxxxxxx) ---
(In reply to bryanhoop from comment #5)
> ...
>
> Thanks for these steps Marco. This gives some hope that a fixed firmware
> will eventually be upstreamed on Linux.

There is still hope, especially since there is already kernel support for the
chipset itself, just the firmware is problematic apparently, and it's even
harder since there is no real date timestamp on the firmware itself, so you
can't even know if the driver with a higher version number contains an actual
updated firmware or not; I hope it does, at least :P 

> I replaced the fw with the MS version in your link and everything is mostly
> working now. The major problem I ran into with the updated firmware was
> audio dropouts using the A2DP AAC codec, but I switched over to SBC-XQ (even
> higher bandwidth, funnily enough) by editing
> /usr/share/pipewire/media-session.d/bluez-monitor.conf and it's working
> flawlessly now.
According to a similar chip from the Realtek site
(https://www.realtek.com/en/products/communications-network-ics/item/rtl8763b)
mentioned in the github thread linked above, the supported codec are AAC and
SBC, so in theory it should work, but AFAIK bluetooth audio on Linux is a
little bit of a lottery, unfortunately.

Glad to see it works now :)

I still hope that Realtek will give us proper firmware support, though.

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