From: bugzilla-daemon@bugzilla.kernel.org
To: linux-usb@vger.kernel.org
Subject: [Bug 208353] Distorted Audio Output Through USB C Docking Station
Date: Sun, 28 Jun 2020 17:50:26 +0000 [thread overview]
Message-ID: <bug-208353-208809-i6GXMsgU3V@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-208353-208809@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=208353
--- Comment #1 from Alan Stern (stern@rowland.harvard.edu) ---
Bring this to the attention of the person who wrote the offending commit:
On Sun, Jun 28, 2020 at 03:19:06PM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=208353
>
> Bug ID: 208353
> Summary: Distorted Audio Output Through USB C Docking Station
> Product: Drivers
> Version: 2.5
> Kernel Version: 5.4.49
> Hardware: All
> OS: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: USB
> Assignee: drivers_usb@kernel-bugs.kernel.org
> Reporter: pbui@kernel.bx612.space
> Regression: No
>
> Created attachment 289909
> --> https://bugzilla.kernel.org/attachment.cgi?id=289909&action=edit
> Output of alsa-info.sh
>
> With kernel 5.4.49 the audio output through my Dell WD19 Docking station is
> now
> laggy and distorted (sounds like only bass frequencies are emitted).
> Previously, audio output through the dock worked just fine with all versions
> of
> 4.19.x and 5.4.x.
>
> After looking through the changelog for 5.4.49, I was able to locate the
> offending patch:
>
>
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/patch/?id=aba41867dd66939d336fdf604e4d73b805d8039f
This is upstream commit f0bd62b64016 ("ALSA: usb-audio: Improve frames
size computation").
Alan Stern
> Reverting this patch allows audio to play normally through my docking
> station.
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next prev parent reply other threads:[~2020-06-28 17:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-28 15:19 [Bug 208353] New: Distorted Audio Output Through USB C Docking Station bugzilla-daemon
2020-06-28 17:50 ` Alan Stern
2020-06-28 17:50 ` bugzilla-daemon [this message]
2020-06-28 18:15 ` [Bug 208353] " bugzilla-daemon
2020-06-28 19:09 ` bugzilla-daemon
2020-06-28 20:24 ` bugzilla-daemon
2020-07-07 8:34 ` bugzilla-daemon
2020-07-07 8:36 ` bugzilla-daemon
2020-07-07 13:45 ` bugzilla-daemon
2020-07-08 15:39 ` bugzilla-daemon
2020-07-09 14:10 ` bugzilla-daemon
2020-07-09 14:12 ` bugzilla-daemon
2020-07-09 14:15 ` bugzilla-daemon
2020-07-09 14:19 ` bugzilla-daemon
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