From: Takashi Iwai <tiwai@suse.de>
To: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
zonque@gmail.com
Subject: Re: [Bisected] ALSA: snd-usb: New streaming logic causes distortions on Burr-Brown DAC
Date: Sat, 09 Jun 2012 09:05:10 +0200 [thread overview]
Message-ID: <s5h4nql55jt.wl%tiwai@suse.de> (raw)
In-Reply-To: <20120608181154.GA267@x4>
At Fri, 8 Jun 2012 20:11:54 +0200,
Markus Trippelsdorf wrote:
>
> On 2012.06.08 at 17:50 +0000, Jamie Heilman wrote:
> > Markus Trippelsdorf wrote:
> > > I hear distortions on my Burr-Brown USB DAC whenever the (software)
> > > volume is set to some value lower than 100% in mpd. The lower the volume
> > > the bigger are the resulting distortions.
> >
> > see patch: http://marc.info/?l=linux-kernel&m=133905533312625&w=2
> >
> > You're probably getting distortion because mpd decided it would use
> > a stream format that's only 8bit.
>
> Yes. The patch fixes the issue. Many thanks.
The patch is already in sound git tree, but missed in rc2.
It should be in rc3.
thanks,
Takashi
prev parent reply other threads:[~2012-06-09 7:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-08 16:40 [Bisected] ALSA: snd-usb: New streaming logic causes distortions on Burr-Brown DAC Markus Trippelsdorf
2012-06-08 17:50 ` Jamie Heilman
2012-06-08 18:11 ` Markus Trippelsdorf
2012-06-09 7:05 ` Takashi Iwai [this message]
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