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From: Takashi Iwai <tiwai@suse.de>
To: meschi@posteo.de
Cc: alsa-devel@alsa-project.org
Subject: Re: Steinberg UR22 Crackling and Clicks
Date: Tue, 08 Dec 2020 22:29:59 +0100	[thread overview]
Message-ID: <s5heek0ugtk.wl-tiwai@suse.de> (raw)
In-Reply-To: <987d1956f52ba49dc3b587c33e08bfb2@posteo.de>

On Tue, 08 Dec 2020 21:53:14 +0100,
meschi@posteo.de wrote:
> 
> 
> 
> Am 08.12.2020 21:23 schrieb Takashi Iwai:
> > On Tue, 08 Dec 2020 20:41:33 +0100,
> > meschi@posteo.de wrote:
> >>
> >>
> >>
> >> Am 08.12.2020 15:57 schrieb Takashi Iwai:
> >> > On Tue, 08 Dec 2020 15:50:28 +0100,
> >> > meschi@posteo.de wrote:
> >> >>
> >> >> > It's likely the issues with the implicit feedback.
> >> >> >
> >> >> > The latest development tree (either linux-next tree or
> >> >> > topic/usb-audio-refactoring branch of my sound.git tree) contains the
> >> >> > improvements of the implicit feedback mode.
> >> >> >
> >> >> >
> >> >> > Takashi
> >> When I try to play a file now this happens:
> >> $ aplay -D plughw:CARD=UR22 ./file.wav
> >> Playing WAVE './file.wav' : Signed 16 bit Little Endian, Rate 44100
> >> Hz, Stereo
> >> aplay: set_params:1407: Unable to install hw params:
> >
> > It's a known side-effect of the implicit feedback mode, and the latest
> > patchset I mentioned earlier addresses the issue.
> >
> >
> > Takashi
> 
> I'm already running the kernel built from the linux-next tree...
> I built next-20201208 from
> git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> Is there another patch set that I'm missing?

Hm, strange.

Please check the contents of /proc/asound/card*/stream* file.  With
the latest patches and the implicit feedback mode, you should see the
lines like "Sync Endpoint: 0x...." and "Implicit Feedback Mode: yes".


Takashi

  reply	other threads:[~2020-12-08 21:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-08 10:15 Steinberg UR22 Crackling and Clicks meschi
2020-12-08 10:34 ` Takashi Iwai
2020-12-08 14:50   ` meschi
2020-12-08 14:57     ` Takashi Iwai
2020-12-08 19:41       ` meschi
2020-12-08 20:23         ` Takashi Iwai
2020-12-08 20:53           ` meschi
2020-12-08 21:29             ` Takashi Iwai [this message]
2020-12-08 22:14               ` meschi
2020-12-09  6:58                 ` Takashi Iwai
2020-12-09 11:56                   ` meschi
2020-12-09 12:00                     ` Takashi Iwai
2020-12-09 12:10                       ` meschi
2020-12-09 12:13                         ` Takashi Iwai
2020-12-09 16:07                           ` Kilian
2020-12-09 16:09                             ` Takashi Iwai
  -- strict thread matches above, loose matches on Subject: below --
2020-12-08 14:00 meschi

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