Date: Fri, 24 Feb 2006 16:29:40 -0800 (PST)
From: "Randy.Dunlap" <rdunlap@xenotime.net>
To: Benjamin LaHaise <bcrl@kvack.org>
cc: Pavel Machek <pavel@suse.cz>, Takashi Iwai <tiwai@suse.de>,
       kernel list <linux-kernel@vger.kernel.org>, vojtech@suse.cz
Subject: Re: My machine is cursed: no sound. Help! [was Re: es1371 sound
 problems]
In-Reply-To: <20060225001459.GC9655@kvack.org>
Message-ID: <Pine.LNX.4.58.0602241628400.7894@shark.he.net>
References: <20060223205309.GA2045@elf.ucw.cz> <s5h1wxtdmri.wl%tiwai@suse.de>
 <20060224161631.GB1925@elf.ucw.cz> <20060224234050.GA1644@elf.ucw.cz>
 <20060225001459.GC9655@kvack.org>
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On Fri, 24 Feb 2006, Benjamin LaHaise wrote:

> On Sat, Feb 25, 2006 at 12:40:50AM +0100, Pavel Machek wrote:
> >  0 [I82801DBICH4   ]: ICH4 - Intel 82801DB-ICH4
> >                       Intel 82801DB-ICH4 with AD1981B at 0xc0000c00, irq 5
> >  1 [U0x4fa0x4201   ]: USB-Audio - USB Device 0x4fa:0x4201
> >                       USB Device 0x4fa:0x4201 at usb-0000:00:1d.1-2, full speed
> > root@amd:~#
> >
> > (usb soundcard clicks when I launch mpg123, but that's it.)
> >
> > Any ideas?
>
> I had problems with the ac97 driver and newer kernels until toggling Mute
> on the headphone sense channel.  Alsa has too many bells and whistles that
> need to be properly incanted for machines to emit sound.  Just try futzing
> with the channels in alsamixer.  Otoh, that's a good way to end up with a
> config that doesn't work, too...

There are also a few machines that have microphone in/headphone out
switched/swapped.  There was a ALSA patch around for that.  :(

-- 
~Randy
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