From: Takashi Iwai <tiwai@suse.de>
To: "Geoffrey D. Bennett" <g@b4.vu>
Cc: alsa-devel@alsa-project.org
Subject: Re: [PATCH] ALSA: usb-audio: Split endpoint setups for hw_params and prepare (take#2)
Date: Tue, 04 Oct 2022 13:54:06 +0200 [thread overview]
Message-ID: <87h70jpzxd.wl-tiwai@suse.de> (raw)
In-Reply-To: <Yzr/aQ3nSTPeGDq1@m.b4.vu>
On Mon, 03 Oct 2022 17:27:37 +0200,
Geoffrey D. Bennett wrote:
>
> Hi Takashi,
>
> On Tue, Sep 20, 2022 at 08:11:06PM +0200, Takashi Iwai wrote:
> > This is a second attempt to fix the bug appearing on Android with the
> > recent kernel; the first try was ff878b408a03 and reverted at commit
> > 79764ec772bc.
>
> I found that full-duplex audio for Scarlett devices was broken in
> 5.19.11 but working again 5.19.12, presumably due to this. escuta at
> https://linuxmusicians.com/viewtopic.php?p=148734#p148734 reported
> that it was broken from 5.19.9 but 5.19.8 worked (they also reported
> that 5.9.12 didn't work, which I can't explain).
>
> 5.19.12 and 6.0.0 work for me, but 6.0.0 + your v2 patch makes the
> gnome sound settings app crash when setting the output device to
> Scarlett if the input device was already set to Scarlett.
>
> Using the gnome-control-center (42.3) app (Fedora 36, PipeWire 0.3.59,
> WirePlumber 0.4.11) to test:
>
> - Kernel 5.19.11: can't set both input and output device to Scarlett;
> changing output to Scarlett makes the input device switch to
> something else, and changing the input device to Scarlett makes the
> output device switch to something else
>
> - Kernel 5.9.12 & 6.0.0: can set both input and output device to
> Scarlett, all good/normal
>
> - Kernel 6.0.0+v2 patch: if both input and output device are already
> set to Scarlett, works fine. Change output device to something else
> then back to Scarlett, the settings app hangs. Kill the app, restart
> it, the input & output device are both Scarlett & it appears to work
> fine again until you change the output device to Scarlett when the
> input device is already Scarlett. Changing it in the other order
> (set input device to Scarlett when output device is already
> Scarlett) works no problem.
Hmm. Just to be sure, could you verify the behavior with 6.0 +
for-linus branch of sound git repo?
thanks,
Takashi
next prev parent reply other threads:[~2022-10-04 11:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 18:11 [PATCH] ALSA: usb-audio: Split endpoint setups for hw_params and prepare (take#2) Takashi Iwai
2022-10-03 15:27 ` Geoffrey D. Bennett
2022-10-04 11:54 ` Takashi Iwai [this message]
2022-10-05 9:21 ` Takashi Iwai
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