Re: [PATCH v2 1/2] Bluetooth: btbcm: raise ACL priority on Apple Broadcom controllers
From: Sasha Finkelstein
Date: Fri Nov 06 2026 - 06:00:12 EST
On Nov 6, 2026, at 11:39, André Eikmeyer <dev@deq.rocks> wrote:
>
> On Fri, 6 Nov 2026 10:40:58 +0100
> Sasha Finkelstein <k@xxxxxxxxxxxxxx> wrote:
>
>> You probably shouldn't, or at least base it on v2, not v3 (that one
>> ended up being a bad idea and caused firmware timeouts, so Asahi
>> downstream ships something more similar to v2).
>>
>> In addition - have your tests included entering and exiting stream
>> with an ACL link active? That part always caused problems for me.
>
> Hi Sasha,
>
> I tested both on the BCM4364 (15,1) with 2.4 ghz wifi under load.
> Your patch (668d849694ef) and mine, each with a reconnect, plenty of
> A2DP stream cycles and profile switches with the ACL link up.
>
> Mine sends 0xfc57 1 ms after connection complete, before AVDTP Open.
> Yours right after AVDTP Start. Both complete with success. Neither
> needs it again when the stream is left and entered, the priority stays
> on the handle. No timeouts with either. The short glitch at each
> suspend is the same on both, so it comes from the stream restart I
> would guess. Scratching my head now. How you wish me to proceed?
>
>
> Andre
Sleep. I intened to say sleep and I have no idea how I managed to typo
it as stream, but that is what I meant. Sorry.