From: Roy Vegard Ovesen <roy.vegard.ovesen@gmail.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: Roy Vegard Ovesen <roy.vegard.ovesen@gmail.com>, Xj <xj@wp.pl>,
linux-sound <linux-sound@vger.kernel.org>,
Nick Kossifidis <mickflemm@gmail.com>
Subject: Re: [BUG] Presonus Studio 1824c firmware 3.11 no longer exposes mixer interface ("Quirk or no altset; falling back to MIDI 1.0")
Date: Sat, 18 Oct 2025 19:36:24 +0200 [thread overview]
Message-ID: <aPPQGFNX26KhrVQD@ark> (raw)
In-Reply-To: <871pn26kmt.wl-tiwai@suse.de>
On Fri, Oct 17, 2025 at 09:40:58AM +0200, Takashi Iwai wrote:
> On Thu, 16 Oct 2025 22:21:24 +0200,
> Roy Vegard Ovesen wrote:
> > > [ 3.354844] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00
> > > [ 3.354845] RSP: 002b:00007ffc8d758ca0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
> > > [ 3.354846] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab8f3112ff
> > > [ 3.354846] RDX: 00007ffc8d758e30 RSI: 00000000c4c85513 RDI: 0000000000000004
> > > [ 3.354847] RBP: 00007ffc8d759480 R08: 00007ffc8d758e30 R09: 0000000000000000
> > > [ 3.354847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
> > > [ 3.354848] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000001
> > > [ 3.354848] </TASK>
> > > [ 3.354849] ---[ end trace 0000000000000000 ]---
> >
> > This looks a bit sus.
>
> Yes, this must be fixed. It implies the pipe passed to
> snd_usb_ctl_msg() in snd_sc1810c_get_status_field() is somehow
> incorrect.
I have submitted a patch to fix the control direction.
I think this warning has appeared for S1810c devices too,
and this should fix it for those devices too.
--
Roy
next prev parent reply other threads:[~2025-10-18 17:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-15 23:18 [BUG] Presonus Studio 1824c firmware 3.11 no longer exposes mixer interface ("Quirk or no altset; falling back to MIDI 1.0") Pawel / Xj
2025-10-16 10:53 ` Takashi Iwai
[not found] ` <bafec1e8819e47f1bea6e0bfa3f877cf@grupawp.pl>
2025-10-16 15:26 ` Takashi Iwai
2025-10-16 17:53 ` Xj
2025-10-16 20:21 ` Roy Vegard Ovesen
2025-10-17 2:36 ` Xj
2025-10-17 7:40 ` Takashi Iwai
2025-10-18 17:36 ` Roy Vegard Ovesen [this message]
2025-10-16 19:11 ` Roy Vegard Ovesen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aPPQGFNX26KhrVQD@ark \
--to=roy.vegard.ovesen@gmail.com \
--cc=linux-sound@vger.kernel.org \
--cc=mickflemm@gmail.com \
--cc=tiwai@suse.de \
--cc=xj@wp.pl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.