From: Takashi Iwai <tiwai@suse.de>
To: Chris J Arges <christopherarges@gmail.com>
Cc: Torstein Hegge <hegge@resisty.net>,
alsa-devel@alsa-project.org, martin@meltin.net,
Jaroslav Kysela <perex@perex.cz>,
Eldad Zack <eldad@fogrefinery.com>,
Trulan Martin <trulanm@gmail.com>,
Damien Zammit <damien@zamaudio.com>, Mark Hills <mark@xwax.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] ALSA: usb-audio: Add quirk for Focusrite Scarlett 18i8
Date: Thu, 18 Jul 2013 17:53:12 +0200 [thread overview]
Message-ID: <s5ha9ljsw47.wl%tiwai@suse.de> (raw)
In-Reply-To: <51E806CD.9080009@gmail.com>
At Thu, 18 Jul 2013 10:16:29 -0500,
Chris J Arges wrote:
>
> On 07/17/2013 06:53 PM, Torstein Hegge wrote:
> > On Wed, Jul 17, 2013 at 16:12:12 -0500, Chris J Arges wrote:
> >> This patch is similar to commit 1762a59d8e8b5e99f6f4a0f292b40f3cacb108ba.
> >> The same non-standard interface descriptor causes snd_usb_create_mixer()
> >> to fail for the Focusrite Scarlett 18i8 as well.
> >
> > Did you test this on a recent kernel? I don't think this quirk or the quirk
> > introduced by 1762a59d "ALSA: usb-audio: Add quirk for Focusrite Scarlett
> > 18i6" is necessary since kernel 3.9, as it includes:
> >
> > 4d7b86c98 "ALSA: snd-usb: mixer: propagate errors up the call chain"
> > 83ea5d18d "ALSA: snd-usb: mixer: ignore -EINVAL in snd_usb_mixer_controls()"
> > 61ac51301 "ALSA: usb: Parse UAC2 extension unit like for UAC1"
> >
> > Those were tested on a Focusrite Scarlett 8i6, but the lsusb output
> > from 18i6 and 8i6 looks similar,
> > http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg29426.html
> > http://www.mail-archive.com/alsa-user@lists.sourceforge.net/msg27776.html
> > I'm guessing the 18i8 isn't that different.
> >
>
> Re-testing this, I see that you are right. The mixer still doesn't work,
> but at least its usable for playback/recording/midi.
> Ignore this patch then.
OK, thanks for a quick update.
Takashi
prev parent reply other threads:[~2013-07-18 15:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-17 21:12 Chris J Arges
2013-07-17 23:53 ` Torstein Hegge
2013-07-18 15:16 ` Chris J Arges
2013-07-18 15:53 ` Takashi Iwai [this message]
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