From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Date: Thu, 10 Oct 2013 07:44:26 +0000
Subject: Re: Cannot load snd-usb-audio on 3.12-rc2
Message-Id: <s5h4n8pa7tx.wl%tiwai@suse.de>
List-Id: <linux-sound.vger.kernel.org>
References: <20130923234107.GA4876@xanatos>
	<s5hfvssdlo2.wl%tiwai@suse.de>
	<20131009200108.GA6136@xanatos>
In-Reply-To: <20131009200108.GA6136@xanatos>
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To: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Jaroslav Kysela <perex@perex.cz>, linux-usb@vger.kernel.org, linux-sound@vger.kernel.org, alsa-devel@alsa-project.org

At Wed, 9 Oct 2013 13:01:08 -0700,
Sarah Sharp wrote:
> 
> On Thu, Sep 26, 2013 at 10:36:29AM +0200, Takashi Iwai wrote:
> > At Mon, 23 Sep 2013 16:41:07 -0700,
> > Sarah Sharp wrote:
> > > 
> > > The snd-usb-audio driver no longer loads properly on 3.12-rc2 when I
> > > plug in my USB headset.  It worked fine on 3.11-rc4 (not sure about
> > > vanilla 3.11).
> > > 
> > > Trying to manually load the driver fails:
> > > 
> > > sarah@xanatos:~$ sudo modprobe snd-usb-audio
> > > FATAL: Error inserting snd_usb_audio
> > > (/lib/modules/3.12.0-rc2/kernel/sound/usb/snd-usb-audio.ko): Invalid argument
> > > 
> > > dmesg shows:
> > > 
> > > [   44.231668] snd_usb_audio: `-2' invalid for parameter `index'
> > 
> > There is no corresponding code change in the USB audio driver side, so
> > I guess it must be in the module parameter parser that got broken.
> > 
> > Does the patch below fix?
> 
> Hi Takashi,
> 
> I didn't get around to applying the patch, but USB audio seems to be
> fixed in 3.12-rc4.

Yeah, Jean did the very same fix and it was already merged.


thanks,

Takashi