Implicit feedback on BOSS GT-1, the saga continues...

[Geraldo Nascimento]

Hey Mike, did you catch the latest patch by Takashi Iwai for capture quirky
devices?

You can find it here:
https://patchwork.kernel.org/project/alsa-devel/patch/20210406113837.32041-1-tiwai@suse.de/

Em Qua, 7 de abr de 2021 16:55, Mike Oliphant <oliphant at nostatic.org>
escreveu:

> I had thought that the recent implicit feedback changes were fully working
> on the BOSS GT-1, but it turns out that I just hadn't tested well enough.
>
> Audio playback and capture works, but with periodic dropouts. I get the
> exact same behavior as I did with the quirk to completely disable implicit
> feedback. Without the implicit feedback, you get dropouts from clock drift
> - how bad probably varies from card to card. On mine it is every second or
> so.
>
> If I switch playback feedback for the GT-1 to generic by doing
> "IMPLICIT_FB_GENERIC_DEV(0x0582, 0x01d6)", I get the previous old behavior,
> which is that playback completely fails to start.
>
> With generic playback feedback, and using my previous patch to endpoint.c
> to avoid playback waiting on capture mentioned here:
>
>
> https://mailman.alsa-project.org/pipermail/alsa-devel/2020-January/161951.html
>
> playback and capture work perfectly for me.
>